> Arc — and even Arc Search — were too incremental. They were meaningful, yes. But ultimately not at the scale of improvements that we aspired to. Or that could breakout as a mass-market product. If we were serious about our original mission, we needed a technological unlock to build something truly new.

> What people actually used, loved, and valued differs from what the average tweet or Reddit comment assumes. Only 5.52% of DAUs use more than one Space regularly. Only 4.17% use Live Folders (including GitHub Live Folders). It's 0.4% for one of our favorite features, Calendar Preview on Hover.

> D1 retention was strong — those who stuck around after a few days were fanatics — but our metrics were more like a highly specialized professional tool (like a video editor) than a mass-market consumer product, which we aspired to be closer to.

> Arc — and even Arc Search — were too incremental. They were meaningful, yes. But ultimately not at the scale of improvements that we aspired to. Or that could breakout as a mass-market product. If we were serious about our original mission, we needed a technological unlock to build something truly new.

> What people actually used, loved, and valued differs from what the average tweet or Reddit comment assumes. Only 5.52% of DAUs use more than one Space regularly. Only 4.17% use Live Folders (including GitHub Live Folders). It's 0.4% for one of our favorite features, Calendar Preview on Hover.

> D1 retention was strong — those who stuck around after a few days were fanatics — but our metrics were more like a highly specialized professional tool (like a video editor) than a mass-market consumer product, which we aspired to be closer to.

https://browsercompany.substack.com/p/letter-to-arc-members-2025

dev + founder | @vibesengineering.eth @herocast

(Slowcore arc...)

Council @ /imgn //

Building Dew //

#LeXpunK

yeah the numbers and arguments are pretty interesting. some fluff around it though.

Dia numbers seem to be better:
>core features in Dia, like chatting with tabs and personalization features, are used by 40% and 37% of DAUs respectively. This is the kind of clarity and immediate value we’re working toward.

Wow those percentages are crazy low, wtf. Need to read that post later.