"As structure continues to decrease, the opportunity for workers to procrastinate will concomitantly increase. Furthermore, the prevalence and availability of temptation, for example, in the forms of computer gaming or internet messaging, should continue to exacerbate the problem of procrastination. There are simply more activities with desirable features competing for our attention."

http://tierneylab.blogs.nytimes.com/2007/01/22/procrastinate-now/