Sublime
An inspiration engine for ideas
Instead of just being a destination for reading content, like Medium or Wikipedia, the cohort of knowledge-sharing startups are focused on helping people create and organize information, but also tap into crowdsourced knowledge that's then shared and published.
Biz Carson • GitHub but for docs: Meet the startups changing how we share what we know

Nikita Bier
instagram.com
Briefings
generalist.com

How to de-risk building a social network
The components that have the most engineering scope tend to be wholly reusable—such as the friendfinder & invite system. The fastest way to arrive at an app that resonates is to run rapid experiments by only changing the interaction model