Kim Douglas recounts the latest tennis twitter behavior from the top players- the best way they communicate with their fans. Andy Murray discusses awkward drug tests, Bob Bryan disses match with Justin Gimelstob, Ivo Karlovic gives imput on wikileaks, Serena Williams was revived from death to HSN, and Janko Tipsarevic is proud of the Serbian team's Davis Cup victory.
From yoga mats and high-end earphones to bobblehead dolls and candy, today's technology lets shoppers personalize a wide array of items with their own images, text and graphics. WSJ's Wendy Bounds digs into the new trend of of "Me-Tailing."