Daniel Radcliffe says celebrities who use social media lose their right to privacy.
The 24-year-old actor - who does not have his own official Twitter or Facebook page - thinks stars should avoid sharing personal details about themselves on social networks if they seek a private life.
Daniel Radcliffe has banned himself from drugs and alcohol.
The 24-year-old actor - who shot to fame starring in 'Harry Potter' at the age of just 11 - has vowed not to become like other child film stars by hitting the bottle and dabbling in illegal substances.
Daniel Radcliffe doesn't think he has a responsibility to be a role model.
The 'Harry Potter' actor - who has previously spoken about his struggles with alcohol - admits he gets ''annoyed'' when stars are criticised for their behaviour as he believes it is solely down to a parent to set a good example for their children.
Robert Downey Jr. has been named the Most Valuable Star of 2013.
The 'Iron Man 3' actor topped Vulture's annual Hollywood list for the second time, with Leonardo DiCaprio coming in second and labelled ''The Star Who Started Smiling Again'' and 'Silver Linings Playbook' actress Jennifer Lawrence - ''The Breakthrough BFF'' - in third place.