Free Tech For Teachers: A GREAT blog for general tech ed information. The topic of each post differs from day to day. I would consider this blog to be very beneficial to every level of educator.
Kleinspiration: A resource focused for Primary Level educators
TeachersFirst: A great blog full of 21st Century classroom resources. Join (for free) and have access to more great features!
Dr. Kudrna's Curriculum Corner: The "Resources" page of this blog is extremely useful! Just take a minute to check out all it offers.
Spanish Is Your Amigo!: Obviously, this blog is geared toward Spanish . . .
Google Drive- Official blog of Google's Google Drive. Learn about new features, etc.
Math Tech Tips- A regularly updated blog to aid math teachers with tech integration.
Tammy Worcester great blog with lots of valuable tips, ideas, and resources for all levels of educators.
Educational Technology and Mobile Learning- Blog aimed at aiding educators with tech integration.