Facebook - Connect with friends, family and other people you know. Share photos and videos, send messages and get updates.
wikiHow - wikiHow is a wiki based collaboration to build the world’s largest, highest quality how to manual.
X (Twitter) - Connect with your friends and other fascinating people. Get in-the-moment updates on the things that interest you. And watch events unfold, in real time, from every angle.
Blurtit - Blurtit is a Q&A website. You can ask a question or answer on any question.
Quora - Quora is a place to gain and share knowledge. It's a platform to ask questions and connect with people who contribute unique insights and quality answers.
AllAnswered - Your Team's Collective Brain All-In-One Knowledge Management System Wiki + Q&A + Workflow + AI