Great if....
... you're name isn't John Smith. Or any other name for that matter, with how-many-billion on the planet you're soon going to be given business cards that say 'Contact me at notthatjohnsmithbuttheonefromdowntheroadwhosmarriedtojane.tel'...
I've got a simpler idea, how about we just put our phone number on our business card? Hmm?
Paris, because you never can .tel