Share phone numbers for sex chat
Yet even though defensive techniques are now available and effective they can be expensive.
They can also alienate some of a site's target audience - especially teen users who expect more freedom of expression.'There are companies out there that are doing a very good job, working within the confines of what they have available,' said Brooke Donahue, a supervisory special agent with an FBI team devoted to Internet predators and child pornography.
Sulake said it had kept 225 moderators and is still investigating what went wrong.
Some sites go much further: Disney's Club Penguin offers a choice of viewing either filtered chat that avoids blacklisted words or chats that contain only words that the company has pre-approved.Filters and moderators are essential for a clean experience, said Claire Quinn, safety chief at a smaller site aimed at kids and young teens, Wee World.But the programs and people cost money and can depress ad rates.But instead of looking just at one set of messages it will examine whether a user has asked for contact information from dozens of people or tried to develop multiple deeper and potentially sexual relationship, a process known as grooming.Companies can set the software to take many defensive steps automatically, including temporarily silencing those who are breaking rules or banning them permanently.
Facebook's software likewise depends on relationship analysis and archives of real chats that preceded sex assaults, Chief Security Officer Joe Sullivan told Reuters in the company's most expansive comments on the subject to date.