Dangerous pleasure

Ashley Madison: Is infidelity a billion-dollar business?

The catch, of course, is that Ashley Madison is the website for cheating spouses, with the unsubtle tagline, "Life is short. Have an affair."

And Mr Biderman, a former sports lawyer who says he was often forced to deal with the aftermath of his clients' affairs, says he is helping women catch up to men not by giving them equal pay or more education, but by allowing them to cheat with just as much frequency as men do.