1) Blogging and social networking will merge. Social networks don't promote conversation; they track your connections. Blogs will become a person's online profile becoming almost as necessary as e-mail is today. Social networks will become grafted to blogs
2) Web companies will release their APIs for developers to innovate with. It is a mistake to control content in the emerging web environment that is becoming more and more personalized. Web 2.0 content is meant to be free - meaning wherever consumers want to see it.
3) Wiki's will continue to be important following Wikipedia. User-generated content has exploded onto the scene -myspace, facebook, eBay, and Flickr. Topic specific wikis will spring up on a variety of web sites. Google will deliver a multi-community version of Wikipedia. The difficulty it is to build a vibrant community that contributes to the wiki.
4) Mobile applications will experience massive growth. The
5) RSS is going to be extended as a search tool. Developers have to build all tools on top of RSS data to make it useful to everyday users. Want to search through your RSS feeds for a particular keyword? There is lots of room for improvement in utilizing RSS data.