I'm sure you have seen your friends and family members posting their 'look-back' videos on facebook. OK this amazing and emotional video was posted by John Berlin who explained that his son passed away in 2012 and he has had no way of accessing his facebook account:

I love this story and what a great example of how viral videos can be used for good!!! 

Update: It only took one day after sharing the video through social media for Facebook to hear John's story and they have agreed to make his son's "look back" video available for him to see...

Source: YouTube.com