Of course it doesn't really matter right now since they are down, not only down, but I'm being redirected to my ISPs search page, so there's got to be a DNS issue or something...
EDIT: Back up now... Only lasted about 5 mins, but was definitely down for a few minutes.
Many think the patent is clearly invalid since it appears to cover all News Feeds. That's not true. It only covers news feeds where a link is provided so that one user can participate in the "same activity" as another user.