In time I envision GO800 to be be just the "GO" brand, with "GO" personal, and "Go" business. GO800 will be for business, and they'll need to tradmark something like GO900 for personal.
With GO900 personal, here is my example. Guy meets girl at bar, girl sort of likes guy buy doesn't want to give out her personal phone number, so gives him her KEYWORD so they can talk. If she likes him then in time she'll give him the number, if she doesnt' like him she can block his incoming texts via her GO900 account.
I'd say virtually every woman in America would want this service for a nominal fee of $10/month or so and .01/minute charge. It's a safeguard to giving out your personal info.
Anywone could use it really, and if its super cheap a no brainer.
GO800 busines is obvious, every single radio commercial can use it for beginners.