Easter eggs aren't just the delicious tinfoil-wrapped eggs you go hunting for around this time of year. Easter eggs can also stand for virtual messages and inside jokes.

I was familiar with the term when it comes to film, especially Disney, but hadn't thought about their potential for marketing until recently.

The article below shows some clever ways in which businesses have used Easter eggs as a marketing technique. Giving your users something extra, that makes them feel part of an 'in the know' gang, will really improve their experience and get them talking.

Error pages can be an easy way to add an Easter egg. Recently I realized that the Google chrome offline page transforms into a video game when you press the space bar. Our Passle error page features drawings by children.*

Have you thought about adding some Easter eggs?

*Definitely not by my colleagues.