Columba Bush, Jeb's wife, has just started Twitter and Instagram accounts to introduce herself to the public, as a way to appeal to Hispanic millennials.
The #iseechange campaign is about to extend across the U.S. You can contribute your own Instagram photos of unusual climate conditions to help the cause.
Social media and music come together in Instagram's new community, @Music, which connects fans with musicians and those associated with the music industry.
Clear is a new app that scours your social media accounts for potentially offensive content, which is something its creator knows more than a little about.