Ed Dandridge, Chief Communications Officer, Nielsen
It used to be so simple: a TV show aired on television at a given time, and usually repeated a few months later. If someone knew they would not be home to watch a program, they’d set their VCR and watch the program later.  Likewise, measuring viewership was also a fairly straightforward affair.
Programs still air at a set time on TV, but now they’re replayed millions of times in any number of places – on the Internet, on a DVR or a cell phone.  Americans’ …