This is nice and all, but nothing really 'wow'. Sure, it might help with sharing an address or something I guess.
I registered in 2013 on bitcointalk and 'Mikez' was available, I'm sure it will stay that way on Coinbase for some time(unless one of you register it now
).
Also, I'm not such a big fan of online wallets. Kind of defeats the whole 'Bitcoin puts
you in control of your money'. Then what you do with that control? Place it in other people's hands of course! Because f. logic.(sorry for the rant)