I used it more when I had a plan that had Friends and Family/A-list type free numbers. My current VZW family plan is the lowest one and I dont have F&F anymore as I don't want to pay for way more minutes that I will never use. Plus, last time I used it for SMS, it showed it was from some number diffrent from my GV number, sometimes I would have a text exchange with someone and it showed 3-4 different numbers for me. This may have changed, though, as this was back in the Grandcentral/early GV beta days.