For a complete collection of Twitter resources, check out The Twitter Guide Book , Mashable’s hub for all things Twitter. - Most Twitter users probably follow under a thousand other people, but that’s enough to make it hard to keep track of the real-time stream.

Facebook has recently announced that they are gearing up to launch version 3.0 of their iPhone app. If you are waiting for Facebook push notifications a la iPhone OS 3.0 , you’re going to be disappointed, because it doesn’t add it. However, there are 15 features that have been added such as Events and the ability to create photoalbums with the full list included below: 1.

Google Wave , a new technology that promises to deliver a new standard for common messaging and collaboration infrastructure for both the web and enterprises.

The iPhone Safari browser has to be on the top three mobile web browsers available today; it's fast and it renders full-size pages perfectly. Still, if you want your web with an extra whack of wow-factor you can't go past Cooliris.

Since the debut of the App Store last summer, my iPhone has become an indispensable part of my workout routine. The phone makes it easy to track your workout progress both in the gym and outdoors, where applications like RunKeeper allow you to use the phone’s integrated GPS to plot your bike or running course on a map.

Go fishing with your iPhone and net yourself a date with the WhosHere app. If you are simply out to make friends, broaden your cyber circle of friends by meeting new people via this app, touted to be among the top 5% free apps running across the Admob network.

A slew of new Apple patent applications have been published, revealing the company’s research into a number of iPod and iPhone enhancements. Of the iPhone- and iPod touch-specific patents, two deal with the usability of touchscreen-based devices.

A slew of new Apple patent applications have come to light covering a rather odd range of functionality that may — or may not — make it into future iPhone software and hardware models.