I have seen several people on the Web Applications site asking questions that are related to building web applications rather than using web applications. I think it would be useful to be able to migrate those questions to Stack Overflow.
Examples:
https://webapps.stackexchange.com/questions/8464/how-to-quickly-make-web-application-where-user-can-post-stuff- https://webapps.stackexchange.com/questions/8586/using-sound-on-website-for-smartphones-iphone-blackberry-android
- https://webapps.stackexchange.com/questions/8768/how-to-emebed-a-progressbar-into-a-html-form
- https://webapps.stackexchange.com/questions/6201/how-could-you-grab-an-avatar-from-gravatar-closed
- https://webapps.stackexchange.com/questions/5455/problem-facebook-application-does-not-publish-on-the-wall-closed
- https://webapps.stackexchange.com/questions/4471/in-which-language-should-i-develop-my-social-networking-application-closed
- https://webapps.stackexchange.com/questions/1974/what-is-the-best-relational-database-management-system-dbms-to-use-with-a-web-a
- https://webapps.stackexchange.com/questions/7218/vs2010-how-do-you-handle-long-paths-with-packaged-one-click-deployments-in
- https://webapps.stackexchange.com/questions/1791/need-a-simple-php-framwork-for-my-webapp-closed
- https://webapps.stackexchange.com/questions/8806/how-to-create-the-application-in-facebook-closed
- https://webapps.stackexchange.com/questions/8751/get-the-number-of-tweets-likes-and-diggs-for-any-given-url
- https://webapps.stackexchange.com/questions/8852/location-from-ip-address-closed