What counts as 'cheating' in the digital age?

Photos: Couples who weathered public affairs
In December 2013, actors Dean McDermott and Tori Spelling had a falling out after reports that he'd had an affair. Spelling and McDermott's attempt to salvage their marriage publicly played out in tabloids and on their Lifetime reality show, "True Tori." The couple have been married since 2006 and are expecting their fifth child.
Hide Caption
1 of 8

Photos: Couples who weathered public affairs
Former President Bill Clinton, center right, was notably embroiled in an office fling with former White House intern Monica Lewinsky, which became public in 1998. He and wife Hillary weathered the storm and other allegations of infidelity.
Hide Caption
2 of 8

Photos: Couples who weathered public affairs
In October 2009, David Letterman admitted to having affairs with some of his female staffers. "I have had sex with women who work for me," the late-show host admitted in front of a live studio audience. The confession came after Robert "Joe" Halderman was arrested for allegedly constructing a $2 million extortion plot centered around the host and his infidelities. Letterman and wife Regina Lasko have been married since 2009. Click through the gallery for more couples who stayed together after an alleged affair.
Hide Caption
3 of 8

Photos: Couples who weathered public affairs
"Bones" star David Bore