Texting is so last year

My 11-year-old son, like all 11-year-old sons, thinks his Dad is incredibly, risibly out-of-touch. He mocks me for using words like "video" when I mean "DVD", for preferring CDs to free downloads, for watching TV on the television instead of on the laptop, and for wearing my shirt with one top button undone when obviously it should be two.

But what the poor boy doesn't yet realise is that the last laugh will be on me. Whereas it took me three decades to become the embarrassing fuddy-duddy I...