My theory is that we used to have several personalities, and now we're encouraged to have one online.

I think overseas viewers assume that Black Mirror is written by the Unabomber, essentially - a Ludd­ite, technology-hating, angry old man waving his fist at the App Store.

Man the lifeboats. The idiots are winning.

At the other end of the spectrum, George Gideon Oliver King Rameses Osborne, the fourteen-year-old novelty Chancellor and future baronet of Ballentaylor and Ballylemon - a man so posh he probably weeps champagne.

I'm somewhat socially inept. Slide me between two strangers at any light-hearted jamboree and I'll either rock awkwardly and silently on my heels, or come out with a stone-cold conversation-killer like, "This room's quite rectangular, isn't it?" I glide through the social whirl with all the elegance of a dog in high heels

I'm known as being a massive dweeb who's into video games and so on.

"Be Right Back," in which Hayley Atwell brings Domhnall Gleeson back from the dead using his social-media profile, sprang out of an unrelated conversation. Other stories you thrash away at for weeks and weeks.