Top annoyances at work

• People including totally unrelated text or links in emails, ie when replying to an old mail instead of starting a new one or when forwarding mails.
• People thinking that 10°C is warm enough to open half the windows for hours on end.
• People taking the last coffee and having the nerve to not brew a new pot. We can develop software for cellphones that's good enough to be used by airline pilots, but can't work a manual mr. coffee...