Was wondering what folks thought of Google Voice, which is the only app I have seen thus far that will "assign" a phone number so you can text over a tablet using wi-fi only. My daughter's doesn't have 3g/4g capablity (identity tab) and I don't know yet if the one I am getting for christmas will have the capability. Not that I plan on purchasing a data plan anyhow. (short story, the identity tab was my gift to myself and found out I was getting one).. Is there any other apps that can text over wifi alone without an associated phone number? Thanks!