It seems presented as the former:
> you can securely send money to friends and family in the U.S. - without leaving your Gmail inbox
but people will assuredly try to use it as the latter. When that happens, how will Google address fraud claims?
Edit: Specifically, I mean, how will they investigate fraud claims? Will all transactions be final (easiest), or will they try to refund people who make mistakes (harder)? And what happens when a GMail account gets hacked?