Facebook released its IPO.
Gangnam Style took YouTube and the world by storm.
Watching TV became a social experience as television shows started designating Twitter hashtags for episodes and scenes.
Pinterest became one of the fastest-growing social networks…ever.
Instagram became so popular that Facebook bought it for $1 billion.
More than three million new blogs were created each month.
Google+ still quietly continues to grow.
These are only a fraction of changes that happened on the various platforms that exist and were created in 2012. Some of the major statistics from the major platforms can be found in this infographic below.