Our favorite startups from YC’s Summer 21 Demo Day, Part 1

Y Combinator kicked off its fourth-ever virtual Demo Day today, revealing the first half of its nearly 400-company batch. The presentation, YC’s biggest yet, offers a snapshot into where innovation is heading, from not-so-simple seaweed to a Clearco for creators.

The TechCrunch team stuck to its tradition of covering every single company live (but, you know, from home) so you’ll find all of the Day One companies here. For those who want a sampling of standouts, however, we’re also bringing you a host of our favorites from today’s one-minute pitch-off extravaganza.

As reporters, we’re constantly inundated with hundreds of pitches on a daily basis. The startups below caught our

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