I posted to previous.delicious.com
5 Scientific Ways to Build Habits That Stick - 99U
Understanding how to enable users to met their goals is key knowledge every interaction designer needs to know. Learning how habits form is a good starting point. If you can get your users to habitually use your product or service both you and your users could be happier. Habit driven behavior is much less cognitively demanding. Spend some time thinking about what habits your users currently have and perhaps how you could enable new habits that benefit your users and your business or the company you work for.