30secondsofknowledge vs ccMarvin

Don't let your engineering brain rot in the age of AI. 30 Seconds of Knowledge delivers one real code snippet on every new tab - read it, get it, stay sharp in 30 seconds.

Marvin watches every company you back, private or public, and delivers the signals that matter: exec changes, acquisitions, product releases, funding rounds. Straight to...

About 30secondsofknowledge

Don't let your engineering brain rot in the age of AI. 30 Seconds of Knowledge delivers one real code snippet on every new tab - read it, get it, stay sharp in 30 seconds. 30 Seconds of Knowledge is a browser extension that replaces your blank new tab with one real code snippet to read - a language feature, a framework pattern, an interview answer.

About ccMarvin

Marvin watches every company you back, private or public, and delivers the signals that matter: exec changes, acquisitions, product releases, funding rounds. Straight to your inbox. Research, summaries, planning help, and life analysis, delivered to your inbox. 2026-09-07, Teased the Grok 5 training run, "biggest cluster yet", and said the Cybercab line is running ahead of schedule. 2026-09-06, Essay follow-up: interpretability results are moving into production Claude models.