Engadget - Sure, we're often mistaken for some of hip-hop's illest emcees in our day-to-day lives, but the sad truth is that Engadget's editorial team could use a little help with our flow. Thankfully, technology has come to the rescue, yet again -- this time in the form of AutoRap, the latest app from the people who brought you such mobile blockbusters as I am T-Pain and Songify. (Smule AutoRap, Software)