I would go with Youtube :)

Canva 😍 But I would prefer a b2c like spotify perhaps or youtube or fb etc because of the direct reach and impact I believe I can have on society. But yeh I love canva as a tool and I can imagine the company and community would be alot of fun as well, business model itself is nice as well, subscription based revenue (saas) 👌👌👌

Spacex

A automation company like Zapier