![Office Mum: smartphone](https://i1.wp.com/officemum.ie/wp-content/uploads/2014/10/smartphone-459316_640-pixabay.jpg?w=150)
Standing in the queue for a sandwich at lunch-time, I notice that everyone is looking at their phones. I don't mean that I just noticed this today - it's the same every day. I stand in the queue, looking at people looking at their phones, wondering idly what they used to do before they had smart-phones. Then I wonder ...