Many entrepreneurs are earning money from posting how-to videos on YouTube on a range of subjects including tying ties. iStockphoto.com hide caption

Seasoned golfer Joe Frey tests out the SensoGlove in Denver. Kirk Siegler for NPR hide caption

A man walks past the entrance to News International Ltd. in London on Friday. The company is apologizing to politicians and celebrities who were victims of a phone-hacking scheme at the company's tabloid News of the World. Ben Stansall/AFP/Getty Images hide caption

Simon's first album of new material in five years intersperses transcendent moments of beauty alongside his familiar tricks. Jason Kempin/Getty Images hide caption

Michelle Rhee served as the head of D.C. Public Schools for almost three years. She now heads her own education advocacy group, StudentsFirst. Manuel Balce Ceneta/AP hide caption

Ahmed Chalabi, shown in May 2010, says Iraq should lead the way toward democratic change in the region. But some say he may be playing a dangerous game. Karim Kadim/AP hide caption

A screen grab taken from news footage by Japanese public broadcaster NHK shows an aerial view of damaged train carriages in Shinchi, Fukushima prefecture, on March 12. NHK/AFP/Getty Images hide caption