"We have to answer thousands of questions each month through chat, through telephone, through email and we have to do that as quickly as humanly possible, " Richard Reyes-Gavilan of Brooklyn Public Library told the BBC.

BBC: Encyclopaedia Britannica ends its famous print edition

"We keep in touch through a chat page on CBS Sportsline, " which provides the software and content to run the league.

CNN: Fantasy sports offers prizes -- monetary and emotional