20 some years ago I used to work at a can company where we made 12 once soda and beer cans, we made and printed the cans, we didn't fill them. Miller beer was one of our biggest customers and one time Miller threw a company party for us employees with an open bar (beer only of course). An absent minded co-worker of mine went up to the bar and asked for a Bud Lite. The front office found out about it because a day or so later he got a letter which basically said "don't be asking for a Bud Lite at a Miller bar".