People who send email or post to Usenet with html tags. People who use MS Word Smart Quotes in email, web pages, or usenet.
Improper use of frames in web pages, usually where each frame changes with each click through the pages. The whole idea is that one frame can change while the others remain the same.
Tree trimmers in Los Angeles. Trees are not suppose to be transparent.
Telemarketers who start the conversation with "I'm calling long-distance. Can you hear me alright ?" Telephones are a wonderful invention. They have worked quite well for a number of years now. (except for cell phones)
Friends calling you on their cell phone from the freeway. I've never had a call where we didn't get disconnected. Friends that only say "Hey" when you answer, and you're expected to know who it is through the static.
Loud music in the gym. Background music is suppose to be in the background.
People who use more than one dot in a filename on Unix machines.
Sales clerks at electronics stores asking for your phone number to put into their cash register when you try to buy something. I always answer with "You don't need that information."
Sales clerks who ask for your zipcode to put into their cash register. I always answer with "No".
Grocery stores with membership/discount/rewards cards that they scan along with all your groceries. You get a discount on one or two items, they keep track of everything you buy so that they can target advertising better.
Nice little software companies, who use to have decent customer service, selling out to big corporations, and now you can never get the answers you need.
Big banks taking over medium size banks, closing all the convienently located branches of the smaller bank, even (or is that especially) when the big bank has been in California since the time of the stagecoach.