Powerful Web Surveys
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.