'Facebook's marketing director has called for an end to on-line anonymity, saying internet users would 'behave a lot better' if everyone had to use real names when surfing or posting on the internet.

Randi Zuckerberg, Facebook’s marketing director and sister of multi-millionaire founder Mark, made the comments during a round table discussion on cyber bullying.

The ubiquitous social networking site, which has been at the centre of recent controversy over internet privacy and bullying issues, currently requires all its members to use' their real names and emails when signing on.'

Read more: 'It Has to Go Away': Facebook Director Calls for an End to Internet Anonymity