ppll

Marc Andreessen

Co-founder of Netscape and of the venture firm Andreessen Horowitz. Argues at length for building things, mostly in short form.

Marc Andreessen did not write this page. What is this?

It collects the places they publish and what they have said there, each linked to the source. They have no account here. Is this you? Claim it, correct it, or ask us to remove it from ppll.

Where they publish

pmarca.substack.comNewsletter An archive under their own name; the writing moved back to short form.

A small Substack under their own name, holding the longer pieces from the period they were writing them. The argument has since gone back to happening on X.

Open pmarca.substack.com

Link verified 1 Sept 2026.
@pmarcax.com The main channel by a distance: posts and long reply threads, daily.
Where nearly all of the public argument happens — technology, economics, politics and the case for building. Long threads here are the form most of the well-known pieces took before any of them were essays.

Open x.com
Recent
- Welcome Seeam! 22 Jul 2026
- Amazing! 17 Jul 2026
- Interesting. 17 Jul 2026
Show 12 more

Absolutely fascinating. 16 Jul 2026
Impressive. 16 Jul 2026
Amazing. 16 Jul 2026
Interesting. 16 Jul 2026
Ultra amazing —> 16 Jul 2026
Interesting. 16 Jul 2026
Interesting. 16 Jul 2026
Factories were built back when politicians still wanted their constituents to have jobs. 16 Jul 2026
Interesting. 16 Jul 2026
And he’s right! 16 Jul 2026
Interesting. 16 Jul 2026
Interesting. 16 Jul 2026
Link verified 1 Sept 2026. Recent items update automatically from the channel.