''Tau solves the problems from the Tower of Babel to the Tower of Basel''
- an early 21st century yet undisclosable author
Okay, dearest friends, lets pull sleeves up and start with it. Vivisection of the Scriptures? Revelation by transfiguration? Pulling the Tau from the ocean of wisdom out on the dry no-Maths-land? I hope not.
The quote above on first glance sounds so pompously biblical, but in fact it denotes the crystal clear and simple practical and mundane rationale of Tau which I already tried to approach from few angles , .
It is about the hierarchic bottleneck of one unscaling ,  Humanity. Take the hint about leveling of the Towers as a poetic symbol of elimination of the social 'verticality' -- the hierarchies as a so far necessary evil to compensate certain innate neurological limitations , , ,  -- and reforming  the network we are embedded into and usually call mankind or society or economy or world into an as geodesic as possibly possible one . For the sake of its own functional programmatic optimization .
Notice that towers leveling is not by demolition, but by uplifting the overall landscape level to and above the tower tops, turning them into deep roots or support pylons of asymptotically geodesic society .
Apparently, mentioning the Gate of God  denotes the unmixing  of languages & mentioning the apex global fiat settlement institution  - the excelling of the current fiat procrustics  i.e. the economy aspect.
That is: TML to Agoras . The first and last of the totally six identified aspects or steps of the social choice  as addressed by what we call Tau.
''our six steps of language, knowledge, discussion, collaboration, choice, and knowledge economy''
These aspects deserve of course separate zoom-in exegetic chapters and they'll definitely get it. I promise. And not only they.
Any exegesis of Tau unavoidably must start with scroll back and tracking down of the full history of the development so far. As a zoom out to see the full picture and to identify the dominant features of the landscape relief.
You, I reckon, already noticed this retrodictive inclination of mine , that in my mind the notion of ''Timeline of Development'' can not be by any logic just a handful of milestone promises thrown into the future, but it is a must to account for the up to now trajectory, too! No future without past.
It all started as Zennet , continued as Tau-chains  and 'turned' into aka 'newtau' , , , .
Wait! A New Tau?
Excuse me, Ohad, but I personally do not buy that and I said it many times. There ain't old and new Tau. The situation is much more straightforward and grokkable . Here it is:
Lotsa guts, balls, butt, brains or whatever human offal... is required for each of us to admit a mistake made in our everyday life. Generally quite a strength is needed to even look ourselves into the mirror...
It takes a whole Ohad though, to keep all oneself's work totally public and transparent even on the full and unedited live record of the infil  into entire branch of mathematics  and then throwing it all away as untauful. We witnessed that reported in real time!
Did this change the ends? No. But sorted out the means to an end.
Was it a 'mistake'? In no case. It was duly delivered R&D effort.
Was oldtau looking promising on first glance? Yes, of course it did.
Did it survive the Ohad's R&D 'crash-testing'? No, it didn't.
Was it a ''juice worth the sqweeze''? It was.
Was it a job well done? Absolutely.
The oldtau materials are for me legacy jewels. Like those dinosaur bugs trapped into blobs of amber .
Development is a process, not just results shipping. Related like cooking and serving.
Studying the zoom-out dev map we observe these few major landmarks:
The Zennet province is all right. Its gently rolling hills gradually merge into the Tau lands proper with the inevitable realization that a 'world supercomputer' can not be a Tauless thing. Zennet lives in Tau with .:
''... having a decentralized search engine requires Zennet-like capabilities, the ability to fairly rent (and rent-out) computational resources, under acceptable risk in the user's terms (as a function of cost). Our knowledge market will surely require such capabilities, and is therefore one of the three main ingredients of Agoras... hardware rent market...''
We move over through the oldtau wastelands  where the burnt ruins of MLTT  lie scattered - rough oldtau location-on-the-map indicator is the fall of 2015 with
''Tau as a Generalized Blockchain'' - posted Oct 17, 2015, 6:33 AM [updated Oct 17, 2015, 6:49 AM]
and then we reach the fertile gardens of newtau  in the fall of 2017:
''The New Tau'' - posted Dec 31, 2017, 12:27 AM [updated Dec 31, 2017, 12:28 AM]
Hmm. Apparently we crossed a watershed. Which relief feature it was? - The ridge  of:
''Tau and the Crisis of Truth'' - posted Sep 10, 2016, 8:25 PM [updated Sep 10, 2016, 8:28 PM]
Tau sorts out the Towers. I hope that the synopsis in this short chapter of Exegesis helped to sort out Tau dev in time as a navigation lookup tool.
Software is nothing but states of hardware. There is that intimate deep, not yet codified into a neat compact of logic, connection between Gödel , Heisenberg  and Laws of thermodynamics .
Tau keeps us off these traps.
I do not dare to state that someday we won't have the command on infinities and to play with them with the ease  of
''... a boy playing on the seashore, and diverting myself in now and then finding a smoother pebble or a prettier shell than ordinary, whilst the great ocean of truth lay all undiscovered before me.''
In fact, quite the opposite I'd rather take it as inevitability someday we to conquer the Cantor  expanses and to venture far even beyond that. To transcale  the transfinite. Like Hilbert  said it.:
''Aus dem Paradies, das Cantor uns geschaffen, soll uns niemand vertreiben können. (From the paradise, that Cantor created for us, no-one can expel us.)''
But it takes ... finitary vehicles of DECIDABILITY to conquer the transfinitary outer spaces. Because, in order to dear to dream to tame the infinities, we must first harness and get full command of finities.
Including of ourselves. Tau is ''understanding each other''. Without Tau we are ... others to ourselves.
Imperare sibi maximum imperium est.
“A human being should be able to change a diaper, plan an invasion, butcher a hog, conn a ship, design a building, write a sonnet, balance accounts, build a wall, set a bone, comfort the dying, take orders, give orders, cooperate, act alone, solve equations, analyze a new problem, pitch manure, program a computer, cook a tasty meal, fight efficiently, die gallantly. Specialization is for insects.”
― Robert A. Heinlein 
No, it is not a vow everybody to be everything. It is a reflection of the fundamental human fungibility . The average human can be taught to take any human role. The exceptions of true organic geniuses (those who are hard to be replaced) and morons (those who are incapable to replace), only confirm this general rule of shear numbers . This is what makes the mankind so scalable .
''Know'' is synonymous with ''can''. Literally. Knowledge = technology. Even etymologically . Knowledge is praxis . Only. There ain't such thing as impractical knowledge. If it is not a skill, it is not knowledge. I mentioned once  that we're all AIs. Ref.: feral children .
We are not what we eat , but we are what we've learnt. You are what you know/can. And you can what you have learnt. Learning is from the taking side. Teaching is on the giving side. Of one and a same process. We do not have a word to denote the modulus  of learning/teaching, it seems. But it will come.
We are taught by the others, the society. We are the cherry ontop of a layer cake of culture onto nature . We are learning by ... living. We acquire skills in plethora of contexts from family, street, school, job, media ... Learning  is not a monopoly of man, countless systems are also learners. Maybe one of the basic definitions of life and intelligence is the ability to learn . Giant topic, yeah. We won't graze into it here now on what is learning, but on how we learn.
Due to our neurological bottlenecks we spontaneously form hierarchies . This hinders our scalabilty  by forcing humanity to be more or less a fractal of 5. We are close to a number of breakthroughs which to mitigate these innate limitations of ours into a number of ways    . But the general case is not subject of this article - herein we focus on HOW we are taught. How we acquire knowledge, and how this knowledge of ours gets recognized and utilized by society. And the hierarchic emergent structuring is of course in full force upon us in teaching as well as into everything social else.
So comes education , such comes exam , knowledge certification , certified skills application , knowledge creation verification , job fitness testing , CVs and employer recommendations ... etc., etc. With all the bugs and the so little features of this 'map is not the territory' , situation.
It is all centralized and hierarchic - exactly as the global fractal of double-entry accountancy ledgers which we call fiat financial system is. In fact it is so interwoven with fiat finance than it is almost inextricable from it . And as much inefficient and imprecise.
In all these years of talking and thinking on Tauchain  - I noticed - and this suspicion of mine incrementally turns into shear conviction - that Tau, the upscaler of humanity, inevitably also is the ultimate teaching machine. If education is facilitating of learning, Tau is the maximizer of learning. By its very construction, it comes out so.
People talk and listen whenever and whatever they want. Tau has unlimited capacity to listen and attend and remember, and answer. Only limited by the hardware capacity allocated. Tau extracts meaning. Purifies the stream, distills it down to the essence. Detects repetitions, contradictions and all other, ubiquitous nowadays conversation bugs. Remembers changes of opinions of the individual user. And points them out. Sounds like the best tool to know oneself. And the others to know you if you let them.
Your Tau account or profile is what you know. You say what you say and also ask. Say statements and questions. Tau pools you together with the others who state the same and, more importantly, who ask the same type of questions. Knowing what you know, and asking about what you don't know but want to know, maps not only your knowledge state but also maps your knowledge dynamics. Records and drives how your knowledge changes. You even have access to what you forget, and can recollect it. True real time knowledge state reporting. For first time in human history.
If consciousness  is - aside from the clinical state of being merely awake - the post-factum integration of senso-motoric experience , the Accountant of mind, the speaker of the narrative which is you, then Tau is your consciousness booster. That is - stronger than thought.
The ultimate teaching, the ultimate fair testing or exam, the ultimate real-time comprehensive diploma, or certificate, super-peer reviewed paper(s) of you as academic carrer.., the ultimate job interview AND the ultimate ... job of being working as yourself and anything useful you create to be instantly scarcifiable and monetizable - your Tau account is! And all the rest of accessible socoety - being your own workforce. And you to them. In the billions. In a move. In real time.
Including control over the pathways of increase of your skills towards the most productive personally for you learning directions, because it aids you to analyze the you-Tau history and to apply knowledge maximizer techniques and to participate profitably into creation of newer better ones. Maximizer of self. And maximizer of society making it to consist of max-selfs. Ever improving. Merger of education with work occupation. Work-as-you-live.
The literal Knowledge Economy, as described by @trafalgar in his article  from few months ago. Where search, creation, reflection, certification, recognition, commercialization, accumulation, modification, improvement ... everything of knowledge - is all in one.
And it is not only Humans and Tau lonely job. I foresee the other Machines to join the party . Yes, I mean machines capable to have interests and to ask and seek answers of palatable questions.
This - the education amplification - to come down the technology way - has been, of course, anticipated by many. Few arbitrary examples:
- A distant rough-sketch hint for the inevitable tuition power of Tau is Neil Stephenson's  ''The Diamond age''  , with the depicted: '' Or, A Young Lady's Illustrated Primer '' , as an interactive networked teaching device.
- or if I'm right about the inevitable conquest of the natural languages territory  - UX  like in the 'Her' (2013) film .
- Thomas Frey  of the futurist DaVinci Institute  in his book ''Epiphany Z''  paid special attention of this.: down the way of micro- and nano-education, an effective merger of the processes of education, diplomas issuing, job application, exam and actual execution of job obligations. Tom does not know about Tau. But I'll tell him.
With a big smile of irony and self-irony of course... these examples. Just to pick from here and there proofs of the giant anticipation of what's to come. And taken with a few big grains of salt. Cause the reality will be immensely more powerful.
Tutor , tuition , my emphasis via using exactly this wording, comes to denote the economic side of learning/teaching. It is about the cost of learning - the association of tuition with fees, about the placement of the acquired skills, about the business organization of those, about the protection of ownership and security of transaction of knowledge ... Let me introduce here a neologism  which to reflect the business side of it:
Scrooge Factor 
- Simply denoting the money-making power of a technology use by a business. The 'money suction power' of a business entity or organization of any kind coming from the application of a technology, if you want. Technology as socialized knowledge. Scaled up over multiple humans. Over a society. Of course the Scrooge Factor can pump in different directions. The Scrooge Factor of the traditional hierarchic education, governance and everything ... is apparently very often negative - hierarchies decapitalize, dissipate, waste. Orders of magnitude more wasteful than any PoW , but on this - some other time.
So aside from all the niceties of the abstractions of the full supply and value chains of a Knowledge economy, lets round up some numbers:
- We know that a true functional semantic search engine alone is worth $10t. Yeah. Tens of Trills. Trillions. As per the assessments of Davos WEF attendees of as far as I remember 2015 or 2016...
- Also, Bill Gates stated back in 2004  that ''If you invent a breakthrough in artificial intelligence, so machines can learn,'' Mr. Gates responded, ''that is worth 10 Microsofts.''
- Tom Frey  also argued  that by 2030 the biggest corporation in the world will be an online school. Given the present day size and growth rate  of, say, Amazon  this 'online school' should be in the range of good deal of trillions of marcap if it is to be bigger than the biggest corporations. But we do not need such indirect analogies over analogies to access the scale. The shear size of the global education industry is the most eloquent indicator . Note that Tom talks about 'corporation' i.e. for clumsy and inefficient hierarchic human collective. Not for a system which does this orders of magnitude more efficiently and powerfully due to being intrinsically P2P, i.e. geodesic . Even the best futurologists can be forgiven for missing to predict Tau. :)
And this mind-boggling hail of trillions, does not even account for the Hanson Engine  factor.
Tau the Tutor ex Machina is just another unintended useful consequence outta the overall design.
It is nearly impossible to track and contemplate exactly what all these 'side-effects' would be and how they will synergetically boost each other.
With my articles I intend to only touch some lines of the immense phase space  of the possibilia, with neither any ambition to think it is possible to cover it all, nor this to represent any form of advice.
Future is incompressible. Compression is comprehension. Comprehensible only by living.
Failure to go to the geodesic way of learning, will turn these beautiful but trilling words into prophecy:
"The most merciful thing in the world, I think, is the inability of the human mind to correlate all its contents. We live on a placid island of ignorance in the midst of black seas of infinity, and it was not meant that we should voyage far. The sciences, each straining in its own direction, have hitherto harmed us little; but some day the piecing together of dissociated knowledge will open up such terrifying vistas of reality, and of our frightful position therein, that we shall either go mad from the revelation or flee from the deadly light into the peace and safety of a new dark age." H.P.Lovecraft  (1926 ).''
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Suggested readings to better understand the Tau ecosystem, Tau Meta Language, Tau-Chain and Agoras, and collaborate in the development of the project.
Lecturas sugeridas para entender mejor el ecosistema Tau, Tau Meta Lenguaje, Tau-Chain y Agoras, y colaborar en el desarrollo del proyecto.