Team Fortress 2 players receive Refreshing Summer Coolers, speculation begins

Team Fortress 2 servers have been overflowing with new players since the game went free to play recently. In the midst of all the chaos players have started receiving Refreshing Summer Coolers as random item drops. Unlike normal Mann Co. Supply Crates, these coolers can’t be opened with a crate key. Their contents will remain a mystery until shortly before the crate expires at 11 PM July 11, when a mysterious summer something will happen, but what?

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