One thing for me I guess would be phone calls, pretty much don't like phone calls unless it's from a small select group of people or is something that would take many messages to resolve. Which kind of puts me at odds with those who like to call no matter what over messaging.
It's just those formalities of phone call that put me off, unless your close to a person focusing just on the question you have can come off as rude.
If I feel extra contact with someone is inevitable, I usually try to request that the person email me some helpful info that I need. If they say they'll "just call," I point out that [list of people] might find it useful, and joke that I can't forward them a phone conversation we've had. Some people still insist on calling, and I let them.
It's just those formalities of phone call that put me off, unless your close to a person focusing just on the question you have can come off as rude.