OMG! PLL! The Twitter-ific success of 'Pretty Little Liars'
By Mary McNamara, Los Angeles Times
Four seasons ago a quartet of young women began receiving threatening, and very well informed texts, from the mysterious "A," who they assumed was their former queen bee Alison, presumed dead. So you can imagine their shock. Now, of course, they know Alison is alive and well, as is "Pretty Little Liars." It quickly became ABC Family's break-out hit and the most...