all of these to all users...then make it easy for the user to decide what it is they want to do. -Stephen Hay http://www.the-haystack.com/2012/07/09/great-works-of-fiction-presents-the-mobile-context/
slower performance because most of the code is being executed on our users' machines rather than our own. -Twitter Engineering Team http://engineering.twitter.com/2012/05/improving-performance-on-twittercom.html