If you're a merchant adoption nerd, there's a live stream on Nostr right now with someone tagging Square merchants on BTC Map

https://zap.stream/naddr1qqjr2cfkxqux2wfk956n2vfs956rsvmy94snyvmy943kzvnz8ycngdnrvsengqgwwaehxw309ahx7uewd3hkctczyr85tf46zd366lkjzws83ecs6fq3ttnjrjd500g7haz936h0knp22qcyqqq8vec7ng89m