after 9/11 the CIA built a team whose only job was to find holes in their own thinking. they called it the Red Cell.
the playbook they used is now public. 40 pages. free. almost nobody reads it.
I turned their 4 best techniques into 4 prompts you paste into Claude:
→ prompt 1: what hidden assumptions is my plan built on? → prompt 2: it's 18 months later and my idea failed. walk me through what went wrong. → prompt 3: a competitor with $100M wants to crush me in 90 days. what's their plan? → prompt 4: write the 1-star review from the customer who felt cheated.
30 minutes. your idea either dies here or comes out stronger. both save you 6 months.
all 4 prompts are in this article. try them on your next big decision. before reality tries it for you.
Turn old Android phones into a Linux desktop or smart home server using Termux—no PC, root, or cloud required.
- Runs XFCE4, LXQt, MATE, or KDE Plasma with GPU acceleration on Qualcomm chips - Installs a full desktop with Firefox, VLC, SSH, and Wine in 10–30 minutes - Separate script sets up Home Assistant Core for smart home control - Works on stock Android with 3GB+ RAM and arm64 processor