Twitter's Del Harvey talks PhotoDNA, spam and Prism

The GuardianTwitter's Del Harvey talks PhotoDNA, spam and PrismThe GuardianHarvey is senior director of Twitter's "Trust & Safety" team, and if you look at her Twitter account – which has 313,000 followers – you'll find that a phrase that appears again and again is "You'd want to file a [support] ticket via bit.ly ...