On Pinterest, if you go to www.pinterest.com/stevenmiles/following, you can see all of the boards that stevenmiles is following. Or, put any other name in the URL to see the boards that any member follows.
Seems to me there should be a way for a Pinterest member to keep private from the public the boards that he follows, but I can't find a way to do that.
Currently, it's non-trivial for users to draw the attention of a particular Expert. Let's make it easier for them!
You can set up a Saved Search with email notification so that you receive an email when a user mentions your name in their question…
Did you know there are services out there that can turn an Instagram feed into an RSS feed? I found some interesting exclusive Instagram content which I wanted to follow without signing up for yet another social media account. RSS to the rescue!