In the battle against worldliness, self-control is your friend:

Learning How To Exert Self-Control

It might be time to break up with Facebook and other social networks.  Here’s one company’s experience:

What Happens When You Break Up With Facebook?

Tip: Take the time to unsubscribe to every unwanted email you get for a week.  You’ll see a great reduction in temptation and clutter.  Do this once every few months.