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Title: Lasted 18 months
Review: Now my primary L click is having issues. This was 20 minutes ago that I replaced it with another mouse that I had laying around. No more L click issues post change. I bought this in March of 2011 hoping for long term, I suppose 18 months is long term, maybe. 200 L clicks a day (estimate average) x 545 days (roughly) = approximately 110000 clicks. Read other reviews saying the same time frame, year and a half before issues.
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