If you use Google Drive for cloud storage you can get an extra 2GB of space by going through their security checkup (it just takes a few minutes). Offer ends on the 17th.
http://googledrive.blogspot.com/2015/02 ... -2015.htmlAlso, if you have a Chromecast, you can get $6 in play credit right now just by going to the "check offers" setting in the Chromecast app and redeeming the offer.