I saw this strategy quite a few times now and it can be quite effective if executed correctly.
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For those who don't know what Overwatch is:
Overwatch is the newest Blizzard game it is a team oriented First Person Shooter (FPS) with objective based gameplay. The 6 players of each team go up against each other on different maps where they have to accomplish a map specific objective to win the game. Each player is able to choose one of the 23 available Heroes currently in the game, important to note is that it is possible to switch to other Heroes throughout the match, this Hero-switching is essential part of the gameplay as it allows teams to change and adapt their strategy.
For more information: https://playoverwatch.com
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