My youngest daughter, 11, uses it. In the school I work in it seems to be a cause of much disagreement within girl friend groups, 11 and under. Is the huge valu

My youngest daughter, 11, uses it. In the school I work in it seems to be a cause of much disagreement within girl friend groups, 11 and under. Is the huge valuation because it attracts this type of user, no doubt extremely valuable to marketeers, which seems a bit cynical to me.