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Featured · Engineering

Modern System
Design

By Priya Anand · Senior Staff Engineer

Master scalable architectures — with a 24/7 tutor on every topic.

14chapters
32hcontent
4.9rating

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Product DesignMachine LearningFront-end EngineeringData SciencePhotographyCreative WritingPersonal FinanceMusic ProductionNegotiationPublic SpeakingIllustrationDevOpsMarketing StrategyFilmmakingProduct DesignMachine LearningFront-end EngineeringData SciencePhotographyCreative WritingPersonal FinanceMusic ProductionNegotiationPublic SpeakingIllustrationDevOpsMarketing StrategyFilmmaking
02 — The Premise

Not just books, courses. Live teacher-tutors to guide you.

Always available to answer your questions and discuss any topic, just with you. Six things that make learning here feel less like watching, more like being taught.

01 / 06

AI video call

Face-to-face with a 24/7 tutor.

Jump on a live video call with an AI that knows the course. It explains, quizzes and coaches you through the hard parts — like office hours that never close.

02 / 06

AI voice call

Talk it through, out loud.

Prefer to think by speaking? Have a natural voice conversation with your tutor while you walk, cook or commute. Hands-free, judgement-free.

03 / 06

AI chat

Ask the lesson anything.

Stuck on a line? Chat with the material itself — instant clarifications, examples and follow-ups, without ever leaving the page.

04 / 06

AI summaries

Every topic, distilled.

One tap turns any topic into a crisp summary you can skim before a test or revisit months later. Read it, or have it read to you.

05 / 06

Limitless access

Learn without limits.

Full access to your course and its AI tools while you're enrolled — one-time or subscription, priced by the author. No throttling, no engagement tricks.

06 / 06

Structured curriculum

Real syllabi, not playlists.

Every course is broken into chapters, lessons and topics — with built-in tests and progress tracking. Reviewed for depth before it ever reaches you.

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Chapter 1 · Foundations24/7 tutor on

Topic 2 / 3

How caching really works

Summary AI call Talk to tutor

A cache keeps the data you use most close by — so nothing is fetched from scratch twice.

Key idea: keep the hot data near, and it feels instant.

24/7 Tutor

Knows your course

Explain caching in plain English?

Like keeping your favourite books on your desk instead of walking to the library each time — instant access.

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Topic complete · 3 / 3 Certificate on completion
For Authors

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Automatically.

Let students purchase and interact with your work.

The upside

Minutes, not months.

You wrote the knowledge. Our AI does the coursework — reading your PDF and building a structured, interactive course you can price and publish in minutes.

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Source Book · PDF
Modern System
Design
Priya Anand · 320 pages
AI reading · 68%

AI Generated · Ready

Modern System Design

8 modules·32h content

System Design Fundamentals

28 min

Distributed Systems

35 min

03

Caching Strategies

22 min

04

Consensus Algorithms

41 min

Ready to publish

Set your price →

01 / 03

Upload

Drop in your ebook, PDF, or manuscript. That's the whole setup.

02 / 03

Auto-build

Our AI reads it and structures a full course — modules, lessons, topics and tests.

03 / 03

Sell

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04 — Process

From idle curiosity to earned mastery, in four honest steps.

No funnels, no upsells, no engagement tricks. Preview it, enroll, and learn it witha 24/7 tutor at your side. The way it should have always been.

  1. 01

    Preview a course

    Read the full syllabus, expand any chapter, and see exactly what you'll learn — before you enroll or spend a cent.

  2. 02

    Enroll your way

    Free, one-time, or a subscription — the author sets the price and you always see it first. Stripe-secure checkout, instant access.

  3. 03

    Learn with your 24/7 tutor

    Watch the lessons, then call, speak to, or chat with a 24/7 tutor on any topic. Get instant summaries and take tests as you go.

  4. 04

    Track your progress

    Your progress, results and summaries follow you across every device. Pick up exactly where you left off, and earn a certificate at the end.

05 — Pricing

Pay how it suits you. Learn without limits.

Every course sets its own price — free, one-time, or a subscription. Whichever you choose, you get full access to the course and its 24/7 tutorwhile you're enrolled.

In every course

What you get when you enroll

  • 24/7 tutor — video call, voice & chat
  • Instant AI summaries on every topic
  • Chapter and lesson tests, saved results
  • Progress tracking across all your devices
  • Limitless access while you're enrolled
  • Personal certificate on completion

Set by each author

Free → premiumOne-time or subscription — you'll always see the price before you enroll.

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Two ways to pay

Whatever fits how you learn.

One-time

Pay once, dive in.

A single upfront price set by the author. Enroll and get straight to learning.

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“No trials that quietly charge you, no fine print. You see the price, then you decide.”

06 — Questions

The honest answersto the things you'd ask anyway.

Still wondering? Email support@cavua.ai. A real human reads every message — usually within a day.

  • Every course ships with a 24/7 tutor that knows the material. You can start a live video call, talk to it by voice, or chat by text on any topic — and get an instant summary of anything you've just learned. It's like office hours that never close.

  • Each author sets their own price. A course can be free, a one-time payment, or a subscription billed monthly or yearly. You always see the price and the billing type before you enroll — no trials that quietly charge you.

  • While you're enrolled, you get full, unthrottled access to the course and all of its AI tools — video, voice, chat and summaries. No engagement tricks, no artificial daily caps.

  • Authors upload a book or PDF and our AI structures it into chapters, lessons and topics. Each course is reviewed for completeness before it appears — incomplete drafts never reach learners.

  • You can pause any time and pick up exactly where you left off — your progress, test results and summaries stay saved and follow you across devices.

  • Yes. Once you complete every chapter and pass the final test, you get a personal certificate with your name and the author's signature. It's not accredited, but it's earned.

07 — Final call

Learn anything.
With your own 24/7 tutor.

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