raised dot

The Wemo Stage is a very small device, about half the size of an Apple TV remote, with three recessed buttons that have a raised dot pattern to indicate if it’s button one, two, or three.

She mentions in passing that translating Greek may have saved the semicolon: the Greeks used it in the form of a raised dot; translating complex sentences requires it.

And there’s a subtle raised dot on the ‘d’ key which lets you located the embedded number pad for dialling one-handed.