I just found out that this blog (and no doubt most others hosted on WordPress.com) has a special iPad theme. This is what it looks like.
Cool. Thanks WordPress, and thanks @MichaelTurnerNZ for letting me know. WordPress’s post announcing the change was written on March 23. I’m so far behind the times it seems
However @rowsell points out that the format doesn’t quite work when browsing from within an application – like Twitter. Let’s see whether this becomes painful, and if so I’ll switch the feature off.