It’s no fun to do the Internet equivalent of the walk of shame. Rakesh Agrawal, the recently hired director of strategy for the giant firm PayPal, apparently indulged in a Twitter rant that dissed new colleagues and showed his pronounced inability to type with his thumbs. Being at the raucous, boozy Jazz Fest in New Orleans may not have helped. In the wee hours of Saturday, tweets bearing the name Rakesh Agrawal maligned PayPal communications vice president Christina Smedley.