In case you've never heard of Klout, it's a social media analytics firm which gives people a 'Klout' score out of 100 based on their influence on social networks, and then offers them perks for exercising their ability to share content.

For the launch of the new Nokia Lumia 630, Nokia collaborated with Klout in commissioning 100 young creatives (collectively known as Hundredaires) from art schools around the UK with a simple brief: "No Compromises".

The artworks were displayed at The Old Truman Brewery in East London in early July and visitors to the gallery could bid on artworks according to their Klout score. To make a bid, visitors had to take a photo of the artwork and share it on their network. The winner of the artwork was the person who attracted the most retweets, Facebook likes or blog comments.

Encouraging photo sharing is a clever marketing ploy by Nokia who are banking on the success of the phone’s camera. Incentive based social media sharing is becoming increasingly common. For example Worth?, a pop-up shop by students from Central Saint Martin’s College reduced the prices on a collection of limited edition objects originally priced at £1 million every time Worth? was shared on social media and Marc Jacobs recently opened a Tweet Shop, that accepted social media activity as currency.