These days web 2.0 seems a bit boring so we've not been covering it much here but mobile 2.0 is just taking off. If you're interested in mobile then you might want to check out mjelly.com which is a directory of free mobile software and applications and the best mobile sites.
You can find free mobile applications like the opera mini browser that lets you browse the full web on your mobile, mig33 which gives you free calls and other types of mobile voip software like Fring and Nimbuzz. If you are looking for free mobile software for any type of phone including Symbian, Windows Mobile and Java then this is the place to go.
There is also a directory of the best mobile web sites with services like Mocospace the mobile social network, Heysan the mobile instant messaging service, Peperonity.com the mobile site builder and community site, m.myxer.com for free ringtones and find free mobile games sites like Gamejump, Cellufun and Hovr.
There is a mobile optimized site for browsing the mobile sites and apps on your phone which has some upfront features like mobile RSS feeds and mobile tags.
You can create a profile on the site with your favorite sites and apps on it so that you can easily find them again, if you change your phone for example.