A Hong Kong non-profit group is stepping up a campaign for parents to delay giving their children smartphones until the age of 14, with a survey revealing more than half of youngsters between the ages of 6 and 10 in the city already own one. Look Up Hong Kong released the survey findings on Sunday in support of its push for parents to wait until their children turn 14 before getting them a smartphone and until 16 for granting them access to social media. The results coincide with an ongoing...