Did you know June 30 is Social Media Day? Neither did I. It is a new event created by Mashable, the largest and most well known blog about social media. Here's what they have to say about it:

Today we acknowledge and celebrate the revolution of media becoming social. A day that honors the technological and societal advancements that have allowed us to have a dialogue, to connect and to engage not only the creators of media, but perhaps more importantly, one another.

To learn more, visit the Mashable blog.