Even better-
Last year, DH ordered ski passes from the local mountain- an adult pass for himself and a junior "learn to ski package" for DD, and those helpful people actually mailed it in December to the child, not the adult, even though both passess were in the same envelope.
So we get back to the house one bustling Saturday afternoon carrying groceries and other packages, DD gets the mail and starts flipping through it and sees something for her. Thankfully, she says "huh, Why would Mt Wachusett be sending me something?" that gets our attention so we basically rip it out of her hands and send her to her room. AARRRGGHH!
We also have had a house email account for years for things that we should both be able to see- school info, trip planning info, family related stuff, etc.