web2.0 is a very intersring web, where people can make a comment, interact,ans organise with each other. people are communicating with each other.
skype, google, gmail ,yahoo,flickr are in web 2.0. in web2.0 people can upload picture, videos, they can share it with ther friends or publish it. for example i can have a blog, i tag the photos.and everybody can see my photos made comment about it. web 2.0 is amazing i can do a calendar in gmail about what i want to do this week, i can recieve a message on my cell phone.i can write whatever i want on a specific subject wich im intersting on it....