Speaking at Georgetown Law's 12th Annual Advanced eDiscovery Institute conference, the judge said that judicial understanding of Facebook and other social media is not as thorough as it would be if they were users of these sites. 

Evidence destruction

But she warned that case law is developing quickly. Items posted on sites such as Facebook are often subject to discovery, she said. She added: 'You only have one law license, and you can lose it over this stuff.' She explicitly warned lawyers about the dangers of allowing clients to destroy such evidence. Source: Bloomberg Business of Law