Learn how to lock down your online accounts, secure your devices, and improve your digital privacy with cybersecurity courses anyone can understand.

Nat, Neil, and I get together to goof off and discuss books.

Crypto projects built together with Nat Eliason.

Advanced DAO analytics.

History doesn’t repeat, but it rhymes. Join the NFT boom by owning a piece of the Dot Com Boom. Made ironically. Collab with Ammaar Reshi.

Engaging students in the education reform conversation. Co-founded in 2012 with Zak Malamed and Stephanie Rivera.

I designed labels for custom beers sold at Park Central Hotel NYC, the UK Royal Palace, and more. Collabs with Neil Soni and Emily Su.

Incubating apps for the e-commerce ecosystem.

Yelp for online courses.

A master checklist to secure your online life. The spiritual precursor to Digital Fortress. Showing its age a little, but still useful.

Teach yourself anything using online resources of any type: online courses, YouTube, podcasts, books, blogs, and more.

Find the answer to the question "if I enjoyed this, what should I read next?"

Q&A forum for teachers to request and share educational content.

A better way for teachers to build curriculum collaboratively. Part of Y Combinator's Winter 2014 batch.