The news article and the blog post miss a big point that only became apparent to me through Taylor's comment (1): SUS allows services to collect all the individ

The news article and the blog post miss a big point that only became apparent to me through Taylor's comment (1): SUS allows services to collect all the individual user update IDs into one file, allowing--for example--FriendFeed to just check <flickr.com/.sus> rather than doing HTTP HEADs on thousands of Flickr feeds. 1: http://blog.friendfeed.com/2008/08/simple-update-protocol-fetch-updates.html#c8777383959063376599 http://blog.friendfeed.com/2008/08/simple-update-protocol-fe...