Sports Illustrated writes about how teams competing in the NHL’s Stanley Cup playoffs are using iPad to help. They’re analyzing video, visualizing trends, scouting opposing players, preparing for games, and more — all using apps for iPad. Coaching staff can pull out an iPad during a game and use its information to guide players in a way not possible before. “The ability to telestrate real-time on the iPad through the iBench app really allows us to not only show our players what is needed to succeed, but to teach our players how to succeed,” said L.A. Kings video coordinator Zach Ziegler. …