Twitter to Integrate Photos and Videos Into the Stream

Mashable discovered a new setting in Twitter today, available to only a few Twitter users. The setting, called "Tweet Media," comes with this description:

"By default, you'll only see images and videos shared by people you're following, and reveal those by people you're not. Check this box to see media from everyone on Twitter."

The literal meaning of that is pretty clear: This feature enables the embedding of multimedia into the stream. But that's a very new approach for Twitter, one that's...