Also I honestly don't know much about these two, but they are huge and have raised a lot of money!

Whatnot: https://www.ycombinator.com/companies/whatnot Zepto: https://www.ycombinator.com/companies/zepto

Both are in the top 100 list, W20 and W21 respectively.

It takes time to build a massive business! Most overnight successes are often 10 years in the making.