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# The Signal: Tech Giants Excel and Fail in Unexpected Ways
- URL: https://wire.fourthweb.ai/the-signal-tech-giants-excel-and-fail-in-unexpected-ways/
- Published: 2026-04-21T16:01:17.000Z
- Updated: 2026-04-22T01:01:46.000Z
- Description: Travis Wright breaks down DoorDash launching stablecoin payments for drivers this month, three AI coding agents hilariously leaking their own API keys via GitHub, and why AI crushes MIT exams yet struggles with basic invoice reading tasks.
- Author: Travis Wright
- Tags: daily-signal

Travis Wright breaks down DoorDash launching stablecoin payments for drivers this month, three AI coding agents hilariously leaking their own API keys via GitHub, and why AI crushes MIT exams yet struggles with basic invoice reading tasks.

*April 21, 2026 — 391 words / \~2.6 min*

### Stories covered:

1. [DoorDash Pays Drivers in Stablecoins Starting This Month](https://wire.fourthweb.ai/doordash-pays-drivers-in-stablecoins-starting-this-month/)
2. [Three AI Coding Agents Leaked Their Own API Keys Through a GitHub Pull Request Title](https://wire.fourthweb.ai/three-ai-coding-agents-leaked-their-own-api-keys-through-a-github-pull-request-title/)
3. [AI aces MIT exams but fails at reading invoices](https://wire.fourthweb.ai/ai-aces-mit-exams-but-fails-at-reading-invoices/)