Jimmy welcomes Jerry Seinfeld to perform as the first comedian on The Tonight Show Starring Jimmy Fallon, and Jerry tells jokes about technology and the U.S. Postal Service. Subscribe NOW to The Tonight Show Starring Jimmy Fallon: http://bit.ly/1nwT1aN Watch The Tonight Show Starring Jimmy Fallon Weeknights 11:35/10:35c Get more Jimmy Fallon: Follow Jimmy: http://Twitter.com/JimmyFallon Like …