»In which we restore from backup

Frequent — and easy! — backups accompany all the best software systems. I was perturbed this morning when my telephone crashed, hard enough that it needed a full reinstall and restore. I was happily surprised at how completely the software restored itself: all of the settings, down to the "wallpaper" photograph. Hooray! All I lost was a list of words to look up from the book I was reading yesterday.