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Each feature is drawn from the app's own screens. The words are adapted, and each plays as you reach it.

Serenity mode on iPad

The whole class on one screen.

Your slide and note, transcript and topic map, on one iPad. A phone shows the class by topic.

During

Catch up.

Lost or curious? Ask. Answers draw on the transcript, slides, your notes and the web. Minutes later, you're ahead.

I am having difficulties with the platformdefinition.13:42:37AssistantA simple class-consistent definition is:Aplatformis a business thatfacilitatesinteractions or matches betweendifferent participantsand mainlycreates value byenabling exchange,rather than by producing the endproduct itself.From the transcript, the key ideas were:•the platform“controls the network”•the value flow ismatching /exchange•itdoes not bear the cost ofproduction•it may still bearcuration /governance / pricingcosts
Platform Strategy13:14:30Big numbers early are easy. Will they…13:14:51How do we scale platforms? What are…13:15:04In 2008, who were the biggest firms in…13:15:52Ten years later, eight of the top ten are…13:16:28Let me take you back. What was the…13:17:15The market: people meeting to…13:17:42You brought cucumbers, someone…13:18:28The real change: now you know who…13:22:51Now you can find anyone in the world…13:23:50Which is why you should not go too…13:23:54But in a platform, the only thing you…13:24:51The end of platforms? Of course not.…13:25:50At least two sides, willing to exchange.13:26:50Users with network effects, and an…13:27:49It is not about more people. It is about…13:30:15Today: the move from value-chain…13:32:56The platform controls the network,…13:33:17And it does not bear the cost of…contrasts withextendsextendsdepends onextendsdepends onextendsextendsapplies toextendsdepends ondepends onextendsPlatform ScalingPlatform HistoryMarket ExchangeInformationLimitsPlatformConstraintsAgent PlatformsPlatformDefinitionValueChain ShiftProduction Costscontrasts withextendsdepends onapplies to
All hour long

Let the knowledge flow in.

Praesto maps topics and files action items as people talk. Open any topic to read what was said. Transcript, slides and handwriting land in one knowledge base.

As you listen

The note writes itself.

Live note keeps the page while you keep listening. Definitions, formulas and open questions, sorted by topic. Every line is pinned to the minute it was said.

LIVE NOTE12Critique of Hardin’s ErrorA1✦1TERMcommonsA managed resource system with a defined community,boundaries, rules, transparency, and sanctions againstabuse.13:43:48AGENT FEEDBACK · DID YOU KNOW10 hr agoHardin’s famous parable describes open access,not a managed commons.Did you know? A managed commons has rules, members,and enforcement. Ostrom’s work focuses on how…MoreWhy thisReplyOstrom’s Design Principles●1THREADNEWSuccessful commons depend on locally adaptedgovernance rules.▪ 13:50:40▪ 13:53:23
When it counts

Engage.

Quick checks test you while it runs, and clever questions hand you something sharp to raise.

Quick check· auto13:28:39According to the lecture, what mainly increases a platform's value?Making the platform faster than every competitorReducing the need for any intermediary or platformHaving more people join, even if they never interactHaving more interaction opportunities betweenparticipantsExplanationThe lecture says, around 13:27:42, that a network grows morevaluable as people get more ways to interact with each other,and that adding people alone is not enough. So the key idea isnot just size, but the amount of interaction the platformenables.AI-generated — may be inaccurate.Why this mattersCorrectSubmitChecking…
Apply2 min. agoHow would you classify a word processor versus a cloud host usingthe lecture’s creation-consumption lens rather than the usual'platform' label?Ask AIFor classTo deckAnalyze2 min. agoIf a social network takes photos from any camera, why does thatlower creation barriers more than it raises coordination costs?Ask AIFor classTo deckAnalyze2 min. agoWhy does the lecturer treat instant booking on a home-sharing appas consumption optimization, not just a convenience feature?Ask AIFor classTo deck
When it ends

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WordPDFMarkdown

Word · PDFAvailable for Pro plan. Markdown is on every plan.

Platform StrategySummaryAI ReportAI-generated · may contain errorsPlatform Strategy~2983 wordsLectureThis session covered 38 topics over 1h 49m: CourseLogistics, Feedback and Appeals, Project Phases,Submission Format, AI Use (+33 more).Read reportRegenerateGenerated 3w agoEXPORT REPORTMarkdownPlain text · always freeMDWordFormatted · advanced planDOCXPDFFormatted · advanced planPDFEXPORT WORKBOOKMarkdownPlain text · always freeMDPlatform StrategyDoneHow the ideas connectedextendsdepends onextendsdepends onextendsdepends onextendsapplies toValue UnitProduction CostsPlatform DefinitionValue Chain ShiftPlatform Scaling (+1 more)Platform Strategy2026-07-17T13:04:46.160508 · 1h 49m · ~2983 words · lectureThe essenceThis was a lecture about how to think about platform businesses,not just as “apps” or “marketplaces,” but as systems for organizingexchange. The core move was to define a platform by itsintermediary role: it connects users, creates network effects, andorchestrates interaction without necessarily owning or producingeverything in the value chain. The lecture repeatedly returned toone practical question: what is the unit of value being exchanged,and how do you design the platform around that unit so thatcreation, curation, and consumption all happen smoothly?
Weeks later

Make it stick.

Questions from your own lectures return until you know them cold. Each one traced to its source.

LearningReps 1EasyDue now#4ApplyEasymulti-choiceIncorrectImagineyouaredesigninganewplatformthatconnectslocalbakerswithcustomers.Basedontheplatformvaluechainframeworkdiscussedinthelecture,whatwouldbethesinglemostcriticalsteptodesignfirst?A.B.C.DefiningthevalueunitandthecoreinteractionbetweenbakerandcustomerD.Explanation'Firsttheunit,thendesignthevalue,'AI-generated — may be inaccurate.Sources (1)transcriptSEG-2047614:16:51Firsttheunit,thendesignthevalueAgainHardGoodEasy?How will it feel?AgainHardGoodEasyCheck
Cold-call assist

Called on, with your own prep in front of you.

Hearing your name starts a three minute Q&A. Every answer starts from your notes, your slides and the last few minutes of the room.

The work you did before class is what answers. What you say is still yours.

Cold-callAvailable for Essential and Pro plan.

14:07:12Jim, let me ask you a question about the case.DoneCold-call assistSay thisRetryLive detected questionsListening — 3:00Listening — 1:55Drafting a response framework…Listening for instructor questions…Could you say a bit more about what you'd like me toaddress?QJim?98%AJim is the person being called on in class.QWhen does adding cash derail growth, ratherthan relax the bottleneck you identified?95%AAdding cash derails growth when the bottleneck has shifted fromcash to execution. Then more money just amplifies bad processesand weak capacity instead of relieving the constraint; the SCALEframework says to identify the current bottleneck and sizeinvestment to it.
Group mode

One room, one transcript, your own notes.

Everyone at the table joins with a code. The transcript is shared; your notes stay yours.

Group sessionsAvailable for Essential and Pro plan.

InviteDoneStrategy Group Session #21 memberScan to joinJoin codeQ4LX7M2PCopy codeShare linkNew GroupCancelCreateGroup nameStrategy Group Session #2Pre-filled from the conversation title. Keeping thisname turns your CURRENT conversation into thegroup — everyone who joins sees its existingtranscript, chat, and history. Change the name tostart a fresh, empty group instead.Share with membersClever questionsPractice problemsDocuments & slidesTranscript, Chat, Action/Research, Flow, and Topicsare always shared and have no toggle.Your chatting aliasYour name in this groupTazShown next to your chat messages in this group.Different from your account display name.Listening (on-device)Auto14:07:12The model says switch suppliers in weekthree. Everyone in the room agrees withthe model.14:07:34Nobody switches. That gap is what wemean by cultural inertia.14:07:55The people in charge either miss the signal,or decide the change is not urgent yet.14:08:19It is a payoff table, not a personality. The oldway still pays, and moving carries a risk.14:08:41So a recommendation is not finished whenthe optimisation is. It has to survive theroom.14:09:04Ask what the incentive actually rewards.Then ask who would have to explain thechange.14:09:22That is the second half of the assignment,and it is where most of the marks are.STRATEGY GROUP SESSION #2GeneralGeneralAsk questions about the conversation, requestsummaries, or start research tasks.@Ben Could you tell me whythe speaker mentioned"cultural inertia?"to Ben14:09:38Ben@Taz It is the set-up forThursday's case. The numberswere right and the plant stilldid not move.to Taz14:10:05To:EveryoneTo:EveryoneTo Ben (the AI won't reply)Ask about the conversation…Ask about the conversation…@Ben Could you tell me whythe speaker mentioned"cultural inertia?"

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