Twtpoll

Twtpoll lets you create powerful surveys for social media sites.

20+ Questions: Create surveys with more than 20 different types of questions.

Skip-Logic: Depending on the answers, the users are given different set of questions.

Export Results: You can download the results of your surveys for further manipulation.

Twitter Invitation Tool: Send your surveys to your customers via @reply or Direct Messages.

Embed Widgets: Add survey functionality to your blog/website.