Which Social Network Can't You Live Without?

It's hard to imagine a modern world without social media. We rely on social networks to consume the news, communicate with friends and even do our jobs. Social media has transformed the way we explore both the digital and physical world.

Mashable is celebrating the power of social media with our fifth annual Social Media Day on June 30th. To help us celebrate, we want to know which social networks you value most. Which network can't you live without? What was the first social network that you joined?

Let us know in the survey below. Read more...