Bonjour automatically locates devices such as printers, other computers, and the services that those devices offer on a local network - but only on a local network. If you need to access a device that requires Bonjour for discovery, and you are not on the same network, Bonjour needs a little help.
Apple maps address searches are not great outside the US; most of the addresses I have in my contacts don’t work or are not accurate.
Mac OS has a settings panel that allows you to schedule the Wake, Sleep and Shutdown time for your Mac, but there is only one schedule allowed; e.g everyday, or every Friday, or every weekend, and so on. I wanted a different wake and shutdown time for the weekend and weekdays. This is possible using cron, and the command line tool pmset.