• I miss the old Google Reader sharing features too. It'll be interesting to see if this new effort will get enough users to make the sharing features work as well as they did at Google. [via waxy]
  • Getting the Google IDs of liking users is interesting, but I didn't know about "Reader's view of a feed", also interesting. [via kottke]
  • "To help you understand how Web Caches will treat a Web page, the Cacheability Engine will look at a URL (and optionally any images or objects associated with it), giving both specific cache-related data about it, and a general commentary on how cacheable the object is."