Kenco has announced a new scheme that rewards customer loyalty - with a twist. Customers can collect points from Kenco jars and choose to donate to one of two charities that support coffee farming communities. It's an effort to heighten Kenco's ethical credentials.

In a world of incalculable choice, research suggests that if people in strong 'brand relationships' stray from them to 'flirt' with a competitor, they actually become more committed to their original favourite.

Stickiness is one of the core principles of web design, which is still used to measure a product's success. It's also key to achieving brand objectives. Daniel Nye Griffiths unpacks the dynamics behind some sticky apps and games.

In the smartphone era, 'traditional' card-based loyalty schemes are evolving. How does Shopkick, an app that rewards people for shopping, inject new life into the high street?