As the year is coming to an end everyone is busy collating the things that they have done this year; the good things and the bad things.

I guess by now you have already seen your 2013 year in review, I bet you have done some crazy things this year and can't already wait for 2014.

Well, its that time of the year when YouTube takes you back in the year. Last time, YouTube released a mash-up of culturally defining moments of 2012 but this year they have released a list of its top trending videos for 2013 and the list of the most-watched music and news videos.