<p>As possibilities have changed and technology has advanced, memories and nostalgia are now a significant part of our use of social media. This is shown in a study from the University of Gothenburg and University West.</p>
How nostalgia and memories find expression in social media phys.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from phys.org Daily Mail and Mail on Sunday newspapers.