When Facebook was launched, it felt defiantly 'young' - a fun place for young Millennials to waste time together. But fast forward to today, and the average user age has skyrocketed. As their parents start logging on, teens are abandoning ship. Has Facebook lost its cool?

The presumption that Gen Y and Z are driving social media uptake is past; 63% of over 70s spend 11 to 30 hours a week online. But how do you get people familiar with Facebook family banter, Skyping the grandkids and browsing Picasa albums? Will Family Ribbon be the business to get seniors surfing?

80% of internet users have searched for health information online because it's more convenient and discreet than paying the doctor a visit. But who would go on Facebook to research that unusual rash? This is exactly what the social network wants you to do in the future.

Facebook already knows if someone is single or dating, where they went to school, and whether they like Rihanna or Beyoncé. But now the social network has revealed that it can make people feel happy or sad depending on the pictures, videos and comments it shows them.