article_snippet.sent: In the poll, a third of Facebook users are said to have blocked a family member so Facebook can no longer see Facebook account or do not receive automatic updates.
article_snippet.sent: a survey of around 2,000 Britons did not take account of the number of youngsters who have effectively blocked their family members by refusing to add their family members as a ‘Facebook friend’ in the first place.
highlights_snippet.sent: Many have left site while others block posts from family members .