L4D lacking a proper server browser already was a dark harbinger of the end times. Get ready for "TF2 Kidz - The Early Years!" on the Wii.

Well, the point in bringing back the milestones was to keep the old method the fans were familiar to in collecting the upgrades. But what they introduced with the spy/sniper update was the ability to 'pick up' upgraded weapons. By pickup though, they don't mean pick up fallen upgraded weapons from downed enemies and comrades, instead, it's based on how long you play. So the longer you play, the more chance you may randomly receive a random upgrade pickup, the catch is that it may be of one you already have. So in that case, you can have multiples of the same upgrade weapons. What do you do with the multiples? -Well, you can trade them! -Or give them away. If you have multiples of the same weapon upgrade, you can give it to someone else. -or at least this is how I understand it to work (nobody I've met has yet to give me anything, but I do own copies of some weapons already). This was to eliminate the need to go on achievement servers.