esterday at a meeting of third party developers Oz Linden announced some major policy changes. You can read the announcement yourself at this link[click here].
1. llRequestAgentData() will no longer be allowed to get online status except for the script owner or creator.
2. Third party viewers will no longer be allowed to show online status of agents other than the friends list.
3. Third party viewers will no longer be allowed to show the viewers that other people are using.
4. Third part viewers may no longer implement "shared experiences" that are not compatible with the Linden viewer..................