Illustration by Alex Castro / The Verge
A few months ago, I got angry about something on Twitter. Somebody had tweeted a photo of a paper sign in an apartment building, informing tenants that using the elevator would soon cost $35 a month. It was surprising, but on a gut level, exactly the kind of behavior I’d expect from a greedy landlord — the kind of thing that’s easy to furiously retweet without thinking.
But a little digging showed that the photo was uploaded to Reddit back in 2013, and the post’s author said the signs were quickly taken down. The building manager denied writing them to both the author and a reporter,…