Of course you can do limited roll-outs of new features. You just put it in a feature flag. The app can check w/ Twitter if that user has the flag enabled. Mo

Of course you can do limited roll-outs of new features. You just put it in a feature flag. The app can check w/ Twitter if that user has the flag enabled. More on Feature Flags: http://code.flickr.com/blog/2009/12/02/flipping-out/ http://code.flickr.com/blog/2009/12/02/flipping-out/ -David