If you’re not on Twitter, you don’t really need to read this. Read this instead, about why Twitter matters even if you’re not on it, or just leave a comment at the bottom of this one telling me that you’re not on Twitter and therefore don’t care. Matt Lewis, a writer for The Daily Caller and The Week, has written a thoughtful piece about how Twitter “was once a vision. Now it’s a prison”. A lot of people who’ve been on it for a while might recognise some of the stuff he says. How it became vital to his job, for finding stories and for building relationships – and how non-Twitter colleagues and friends mocked him for “tweeting about what sandwich I was going to have for lunch that day”, shortly before joining it themselves is extremely familiar to me.

But, he says, the friendliness and the informal atmosphere changed…