"quid pro quo" i didnt know what it means, but it sounded pretty kool, just checked it on wiki, it sounds so british, im a londoner myself, fantasttic use of words @brudgers
If only I could program in Latin.
You could also use google translate from latin, although this particular phrase is somewhat special :)
Quora shows who voted up an answer among the people you follow (presumably you value their opinion). Makes a lot of sense in that context.