The Ultimate Guide to Hashtags | Social Media, the 21st Century Digital Tool Kit |

Since its first use in 2007, the hashtag has spread from Twitter to almost all major social media networks, including Facebook, Instagram, Google+, YouTube, and even Vine. With hashtags pervasive everywhere, we wanted to take a look again at how your brand can use hashtags with success, on any kind of social media.

Via Jeff Domansky