What is Stack Exchange?
Stack Exchange is a network of Q&A sites covering a variety of topics.
Think of it as a combination of Wikipedia, Digg, forums and blogs.
It's an online gathering of experts, and they love sharing their knowledge with you.
At your fingertips Access to all Stack Exchange Network sites (including Stack Overflow, Server Fault and Super User) on your iPad
Filter content Follow your favorite tags, people or questions matching any search queries.
Questions Browse questions grouped in several categories
Web view Built-in browser to access all functionality not yet provided by Stack Exchange Inc. (like asking questions, answering, voting, commenting).
Always ready Offline access to questions and answers
Sort queries Native iPad app, with its look & feel, sorting, searching, and sharing the most interesting questions by e-mail