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
- Bulk-archive stale Inbox
- Archive done projects, park inactive ones
- Capture most pressing projects and activities
- You're back
⏱ ≈ 15 min
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Three things to remember
-
Manage attention, not time
-
Never mix modes Capture and keep working
-
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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AttentionOS Basics: Manage Attention, Not Time
By Alexey Migutsky
