[tuatoru]

> In software and hardware design, the things that we should be the most wary about breaking, are the interfaces that people rely on.

And yet the big boys just can't help themselves. I've been doing a bit of work with Google Sheets the last few months, and even in that time the user interface has changed a few times. Only in small ways, will be the offered excuse.

People are not just playing with this software, they're trying to use it. Usually as a minor component of some workflow where other things occupy working memory and attention.