I should know this one (I think I did once), but I'm fuzzy right now. What is a good definition for "upstream collection".
I can answer that question in detail. However, to avoid me saying anything untoward, you will have to make do with the Wikipedia article on Upstream Collection.
WWG1WGA
Garde la Foi, mes amis! Nous nous sommes les sauveurs de la République! Maintenant et Toujours!
(Keep the Faith, my friends! We are the saviors of the Republic! Now and Forever!)
LonePalm, le Républicain du verre cassé (The Broken Glass Republican)