Anthropic's early NYC pop-up gave everything away for free; equity since then has 10x'd

signulll · x · 2026-09-05

Blogger signulll recalls visiting one of Anthropic's first NYC pop-ups at Airmail in the West Village, expecting to pay for the 'keep thinking' hat — only to find everything, including lattes, was free. After posting about it, lines formed for days. He praised the thinking campaign's warm aesthetic, thanked Mikey K and Alex Albert, called Sonnet 4.5 'ridiculous,' and noted that joining Anthropic back then would have meant 10x equity gains.

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