Web+2.0

Introduction
Web 2.0 is a term which is often used to describe internet applications, but what does it really mean? A simple definition would be a web program or resource which allows people to collaborate and share information online.

Video - Web2.0
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Task
Make a list of as many web 2.0 applications as you can think of. For each application, write a short summary of what it does.

Task
In your own words, define what is meant by web 2.0