Dark Patterns: What is it?

The term "dark patterns" emerged in 2010, when UK-based user experience consultant Harry Brignull took a closer look at Ryanair. Magazine subscriptions that mysteriously end up in your online shopping cart. Items with 50 people looking at them "right now" that are still for sale weeks later — these are the internet's "dark patterns". Explains R.Sathyanathan, an expert in Technology.