"Hello R., how are you?"
"Hi M.! I'm at the beach now, finally relaxing after months of work."
"I wanted to ask you this: did you remember, three years ago, when you helped me move the downloaded movies to my external hard disk?"
"Er... yes?"
"Well, today I tried to start my computer and it's showing me a black screen telling \"disk boot failure, insert system disk\", do you know how to solve it? Before you worked on it, it used to work as a charm..."

It would be nice to have the count of upvotes written in hexadecimal... What do you think?

When you spend two hours explaining your client why they can't use for their website that logo they picked from Google Images.