Happy Social Media Day!
Mashable.com has declared June 30th to be Worldwide Social Media Day.

How can you participate?
- Meetup Everywhere Mashable: Sign up to attend an event on the Meetup Everywhere Mashable – There are more than 600+ meetups in 93 countries today with thousands of attendees.
- Watch the live streams worldwide: Mashable will be updating throughout the day.
- Tweet: Use the #smday hashtag on Twitter . With so many participating, it should be a trending topic on Twitter on June 30. Also, Mashable will award a prize for those that tweet or post to Facebook.
- Add the Social Media Day Twitter theme from TweetyGotBack to your account in support of the day.
- Follow @mashSMday: Follow @mashSMday on Twitter for updates and developments on the celebration.
- Comment via Facebook: Go to Smday.com and leave a comment either promoting your meetup or telling what you’re doing for your event.
- Upload to Flickr : Upload photos to Flickr and tag them with #smday.
A message from Pete Cashmore, founder of Mashable.com:


