What are the Benefits/Advantages of using the elements that Web 2.0 covers?

The benefits of using the elements that web 2.0 covers are that everyone can collaborate and share their thoughts and ideas. You can easily communicate with anyone, everywhere. Everything is updated and you can easily find people.​

http://saraprocessjournal.blogspot.ae/2013/04/what-are-benefitsadvantages-of-using.html ​