Delay-sent email.
Your boss works late into the night, but instead of sending you emails at 11:30 pm, she delay-sends them so they arrive at 8 am. You arrive at work with a half-dozen of new tasks that appear just as you're settling to the date. You hate this!
Anson arrives at work, sits in his cubicle, logs on. At 7:59 am, his box is empty and he takes a sip of his coffee. Anson turns away for just a second, but when he turns back a minute later, he finds that 8 new emails just appeared in his mailbox. His manic boss wrote the emails overnight and sent to them to arrive at 8. "Aaagh, 8 Mail!! I hate when does that!!