It may sound like a silly question, especially if you used Facebook to get to this article.

But a Dutch non-profit organization wants to see if Facebook users can go 99 days without using the social media site. The organization also wants to know how the online inactivity affects participants' happiness.

Participants are asked to change their profile picture to the "99 Days of Freedom" logo. Then, as website says, "Enjoy life!"

Can you do it?  Click here to take the challenge.