Is it wrong to let my child play on my smartphone?

We’ve often been told that screen time for children should be limited. But what if the real danger is our own addiction to our phones?
If you would like advice from Emma Brockes on how to be a human online, send us a brief description of your concerns to human.online@theguardian.com
I have a two-year-old son who likes nothing more than to play on my iPhone. Should I let him?
The first thing to say about this is that if you talk to anyone who works in pediatrics, they will tell you the seve