a "brief" overview of how Spy's playstyles and arsenal have evolved since TF2's release
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support the channel -   / lister  
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all songs used (with timestamps) - https://pastebin.com/HejTPAGw
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0:00 intro
2:26 2007-2009
14:45 2010
20:29 2011
31:38 2012-2013
40:53 2014-2015
52:20 2016-today