Got flashed at in annoyance by two drivers.... as I was driving tonight.
First was coming back into Edinburgh. Over the Bridge, in the 50 zone, peeling off to go to Edinburgh rather than the bypass - I happen to be in the 'fast' lane, with a car to my left, I'm doing 50, which I know because I've got the cruise control on.
Car starts closing behind. Juuuuust before we get to the national speed limit sign there's a double flash of the lights from behind, which actually coincides with me now being far enough ahead of the car to my left that I feel I can move back over (I hate moving into the braking zone of people, so tend to give it time before moving back in) and I speed up to 70. Hate to measure appendages, but I'm in a Cooper S, and he was in a bog standard Micra. He held on in the 'fast' lane, before deciding it might be sometime next week before he gets to 70 and tucks back in, now a good 80-90 yards behind.
Then, at Silverknowes I'm on an odd 30moh dual carriageway bit. Bus stopped ahead just before it returns to one lane. I'm doing 30, the bus starts to indicate to pull away from the stop as I'm about 5 yards from his rear three quarter. There's a choice to drop the anchors and come to a shuddering halt (and it would have been a full stop to let him go), or go past and he can pull out behind me where there are precisely zero other cars. I take the latter option, and get an annoyed double flash of his lights (he might have been trying to make me think the police speed camera van ahead had flashed me, but I knew I was at 30).
Definitely not only when you're on the bike....