answers

Tweettion is a tool that enables you to ask questions and get answers via tweets.

Quetter is a Q&A community-driven knowledge market website that allows users to both submit questions to be answered and answer questions asked by other users. You can search by genres, and ratings for the answers provided. Quetter is available in English and Japanese.Quetter also provides an API that one can use to integrate Quetter services into another application.

TweetBrain is Yahoo Answer for Twitter.

It is a crowdsourcing service powered by the Twitter community.

It helps people and businesses build more connections using the Twitter platform. TweetBrain fosters mutually
beneficial exchanges through the interchange of Q&As, boosting the viral effect of social networking.