A phenomenon is sweeping through the US, China, Taiwan and many other parts of the world. It is called Linsanity. It all started with  Jeremy Lin. He now boasts more than 1.5 million followers on on Weibo and hundreds of thousands of followers on Twitter and other social media sites.

Maria Sharapova struggled in recent years with injuries and inconsistent play on the tennis court and has not won a grand slam title since 2008 with her worldwide ranking plummeted to a low of No. 126 in 2009. But this year Sharapova has rebounded with a vengeance, winning 80% of her matches. She is now ranked No. 5 in the ...