Stop the presses. Gillete has upped the ante and revealed a -get this- five blade razor called Fusion. This, of course, is one more blade than competitor Schick's Quattro, which was one more blade than Gillette's Mach3.
I think this is getting a little silly. Does continuously adding one more blade really help that much? Personally, I don't care as I use an electric razor.
The crazy thing about this is that satirist The Onion predicted this a year and a half ago. [note: crude, graphic language was used]