I have found that using Kosmi works incredibly well for sharing media with friends. There are TVs that support it in world. It’s nothing like the situation with HiVid. I have been watching a Netflix series with a friend that way.
Second life is getting a much better scripting option based on the popular Lua language (the Luau variant). This opens up a lot of new possibilities for scripting in SL. It is available on the beta grid for testing...