It is hard to make a stand against any convention without people assuming you are judging them for doing things differently. I suspect the Austrian teen will have much company in years to come as new generations of always-hypersensitive teenagers trying to carve out a bit of quiet, contemplative, private space to work out his or her own identity start to find all the bare-bummed snaps that once would have been confined to a family album strewn across the internet forever. We know we once lived quite happily without uploading pictures full of identifying features school uniforms, street names in backgrounds, captions full of nicknames for children and the real names of pets and soft toys that could provide anyone with a convincing-sounding connection to your child in the park into public domains. The antics my generation got up to at school are locked in the past, and the memories of those who participated. That turned out to be a mistake. I would never post pictures of friends, and particularly their children, without asking their permission first: I received over replies from people who thought I had a transgendered son and was advertising the fact that I let him go to school dressed as a girl. She told one newspaper, 'They knew no shame and no limits Melanie Rickey, fashion journalist and wife of Mary Portas I share pictures of our son on social media, for my friends and followers to see. We know there are terrible people out there dead set on doing terrible things. The average person uploads 30 pictures of children who are not their own per year. To share or not to share? I can spend hours on the phone to my mother detailing his every utterance, gesture and lavatory visit and the only result will be more questions, about how his hair was looking and whether his fingernails seem to be growing at a healthy rate. They tend to be milestone moments such as birthdays - these are moments I want to record, and the easiest way to do that now is through sites such as Instagram. A new study says that by the time the average child is five, its parents have posted 1 , images of him or her on Facebook, Twitter, Instagram and the like.