Video: 2011 - a tumultuous year in tech

TechRadar has taken a look back at some of the highs and lows of 2011, in a tumultuous year for technology.

While 2012 can't arrive soon enough for the likes of Sony, and will always be tinged in sadness for Apple, it was also a year of great innovation and wonderful tech, including the Samsung Galaxy S2 and the arrival of the iPad 2.

So what have we picked out as the moments to remember in 2011? Check out the video below to find out:

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