I thought this was a really interesting read: How an iPad Speeds Reporting from NASCAR's Pit Row - Mac Rumors

When the iPad was released in 2010, Burns instantly saw the potential. He could digitize his notepads, drop the pen and paper, and carry all his reference material with him to every race. After addressing concerns about size; durability; using it outside in the bright summer sun; and, perhaps most importantly, which apps to use; Burns arrived at his perfect setup:
It's interesting to hear these kinds of stories, how professionals have been able to simplify their workflow with this new technology.