How to avoid getting infected?

Flash drive infections - part 1 - be very careful when you use any removable devices!
Flash drive infections - part 2 - is your computer infected?
Routers - security - secure your router!
The dangers of social networking - The Do's And Don'ts For Most Social Networking Sites.
Helpful links - some links you might find useful... :)
Spam (e-mail) - uses of spam, spam protection.
Support scams - a call from Microsoft? Watch out!