Here's a useful listing of the 'bare' essentials for living on the new Web, called Web2.0 by one of the prominent trackers of new developments, Duncan Riley.

There’s been much discussion lately around ways to follow and keep up with friends and the latest news in the tech world. There are plenty of new startups looking to make life easier; many have merit, but here’s a few tips to help you know what’s going on.Tracking Web 2.0

 These are the main ones:

1. A feed reader
2. A start page
3. Twitter

The last one is arguably more useful to those trying to keep on top of the very latest developments but the first two are absolutely essential. It would also bear pointing out that this website offers both 1 and 2 under the 'My start page' feature.