Photo: Olson familyKatherine OlsonYesterday, May 3, Craig Newmark spoke at a memorial service for Katherine Olson, a 24-year-old Minnesotan murdered after she answered a help wanted ad for a babysitter on Craigslist.During his address, Newmark also mentioned the recent slaying of a New York woman who met a man in a hotel to offer him a private, erotic dance. A Boston University medical student is accused of shooting the woman four times, killing her.
"Despite the billions of times well-meaning p
