Simple things: Smart Phones
Your cell phone is like a secretary you carry wherever you go. It knows where you are and where you will be. It remembers what you tell it. It can even type. Isn't it time you give it more serious work?
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Simple things: Printers
How do you select a printer, a scanner?
Permissions
Do you know what your users can do or access on your network? Who can make modifications? If a user's computer dies, do you know what applications need to be installed on his new machine?