AttentionOS Basics

Manage Attention, Not Time

Alex Migutsky

Career Strategist, Software Engineer

x.com/mr_mig_en

You planned. You reorganized.
You moved things between apps.
You didn't do the real work

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The Planning Fallacy

20-30%

We underestimate our own work

A robust cognitive bias

- Kahneman & Tversky (1979). Intuitive prediction: Biases and corrective procedures. TIMS Studies in Management Science, 12, 313-327. (Term coined.)
- Buehler, Griffin & Ross (1994). Exploring the planning fallacy. J. Personality & Social Psychology, 67(3), 366-381. https://doi.org/10.1037/0022-3514.67.3.366
- Buehler, Griffin & Peetz (2010). The planning fallacy: Cognitive, motivational, and social origins. Advances in Experimental Social Psychology, 43, 1-62. https://doi.org/10.1016/S0065-2601(10)43001-4

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When the schedule breaks,
the system breaks

One slot overflows    →  
The rest cascades    →
You stop trusting the calendar

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You aren't a constant-output machine

Ultradian rhythms

~90-120 min focused windows, then a dip

Several times a day. Varies by person

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Manage attention,
not time

Calendar

holds containers

AttentionOS

holds the priority list

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AttentionOS at a glance

  • 📥   Inbox
  • ❕  Next Steps
  • 🤝  People
  • ✅   Active Projects
  • ♻️  Areas & Activities
  • 🚧   Parked Projects
  • 🚧   Parked Activities
  • 🌱   Mind Garden
  • 📚   Resources
  • 📦   Collections
  • 👥   Contacts
  • 🗄️   Archive

Top ↓ Bottom

most urgent   →   most archival


Highlighted = covered today

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Principle 1 - Top-to-Bottom Flow

Every time you open the system, scan from the top

Daily sequence:

Calendar  →  AttentionOS  →  Email & Chats

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The 5-Minute Daily Scan

  • 📥   Open Inbox  "Anything to put in?"
  • ❕   Scan Next Steps  "Anything for now?"
  • 🤝   Scan People  "Meetings today?"
  • ✅   Scan Active Projects  land on top item

⏱ ≈ 5 min   That's it. You've started

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Principle 2 - Mode Separation

Four cognitive modes that should never overlap

📥 Capture

dump into Inbox / right place

🗺️ Plan

scope projects

🔍 Review

scan if sections need changes

⚡ Execute

do the work

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Attention Residue

40-50%

performance cost on switched trials

Worst when the prior task was left unfinished

- Leroy, S. (2009). Why is it so hard to do my work? OBHDP, 109(2), 168-181. https://doi.org/10.1016/j.obhdp.2009.04.002  
- Leroy & Glomb (2018). Tasks interrupted. Organization Science, 29(3), 380-397. https://doi.org/10.1287/orsc.2017.1184  
- Wasylyshyn, Verhaeghen & Sliwinski (2011). Aging and task switching: A meta-analysis. Psychology and Aging, 26(1), 15-20. https://doi.org/10.1037/a0020912
- Kiesel et al. (2010). Control and interference in task switching. Psychological Bulletin, 136(5), 849-874. https://doi.org/10.1037/a0019842

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Principle 3 - Review goes the other direction

Execution   ↓

urgent first

Review   ↑

important first

Otherwise the loudest stuff drowns out what actually matters

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Principle 4 - Flat and Limited

Limits as forcing functions

< 15

Active Projects

< 20

Areas

< 20

Tasks per list

Over the limit → you're overcommitted. Park, don't expand

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📥   Inbox

Capture destination for everything

One short description per item  bare URLs are unrecoverable

Pin it as a browser tab

Single biggest habit anchor

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❕   Next Steps

  • One-off tasks. Under 30 minutes each
  • Limit: ≤10 items  (15 max)
  • Verb-first naming

Not a triage area. Not a today-list for project tasks

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🤝   People

Trigger list for pending conversations

not a contact book

Name + what you need to discuss next time

Rotates as conversations resolve

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📚   Resources

  • Your personal library
  • Alphabetical at top level
  • Build your own hierarchy  not AI-generated, not borrowed taxonomies
  • Minimum entry: title + URL + 1-line context

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🗄️   Archive

  • Long-term searchable memory
  • Year / Quarter structure  (reverse chronological)
  • Nothing deleted. Ever

Your achievement log

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The 15-Minute Restart

You will abandon this system. That's healthy

  1. Bulk-archive stale Inbox
  2. Archive done projects, park inactive ones
  3. Capture most pressing projects and activities
  4. You're back

⏱ ≈ 15 min

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Three things to remember

  1. Manage attention, not time

  2. Never mix modes  Capture and keep working

  3. Pin Inbox as a browser tab today

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Upcoming cohort:

May 11 - Jun 14, 2026

Build Your AttentionOS

bit.ly/attos-cohort

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Upcoming cohort:

May 11 - Jun 14, 2026

🎁 Promo Code:  ATTOSLL100 for $100 off

First 25 seats, expires May 2nd, 23:59 CEST

🎁 First 10 students:  1 hour call with me

First 10 seats, expires Apr 26, 23:59 CEST

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Questions?

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