Match the words in the box with the explanations.

1. website where people with common interests can email each other online
2. a sort of class held live on the web
3. company that gives you access to the internet and offers news pages, shopping, etc.
4. program sent to your computer from the internet, used to follow your activities
5. file sent at the same time as an email message
6. unwanted material (e.g. advertisements) sent to you via the internet