The following instance (or should that be inst-agram-ance) falls into this latter category.
Of it he writes: -
“Fellow instagrammers will know my view on personalized plates. But this is pretty sweet. #ubuntu”
The only pun/joke I can think of at this juncture is ‘Does it make the car run faster?’. But I’m sure you can do better in the comments…
Instagram, via Dan M.