Of all of the celebrities on this list, Felicia Day is hands down the most active on Google Plus. An actress, writer, producer and all around tech-head, Day takes full advantage of Google Plus's services, from hosting hangouts to sharing anything she stumbles across while surfing the web. If following a celebrity that shares their thoughts on the latest tech trends and video games sounds like your kind of thing, Day is certainly the right person to turn to.

Followers: 2.03 million