Shareable Tweets- https://2fb.me

A chrome extension that puts a Facebook reaction bar on Twitter. It let’s you create publicly clickable Facebook share links on Twitter, rather then simply linking an account to Facebook.

Use it in API mode:

https://2fb.me/https://news.ycombinator.com

I feel like this question is begging for self promotion...

But, I'll resist the urge - I met a ton of interesting startups in Startup School.

One that I found particularly interesting was Voco: https://sayvoco.com/

They were installing Alexa devices in nursing homes for seniors, while I dislike the privacy implications I can see a massive quality of life improvement.