With its camera that records video, we can probably expect a flood of video-related apps for the just-announced new iPhone 3G S. Here’s an early one: Popular Twitter application TwitterFon says it will integrate with video service TwitVid, allowing TwitterFon users to capture videos with their iPhone and then post them to Twitter.

Video on the iPhone was simultaneously one of the most exciting and disappointing things today during the keynote speech at Apple’s Worldwide Developers Conference. Exciting, because of the aforementioned iPhone 3G S. Plus, the iPhone 3.0 operating system will include a way to send videos in a text message via its MMS service. Disappointing, because AT&T is lagging on this front, and won’t offer MMS support until later this summer. But if you’re a Twitter user, TwitterFon will provide an easy way to share videos with your friends despite the mobile carrier’s procrastination — of course, you might curse AT&T anyway, if those videos end up loading sloooooowly.

The 3G S goes on sale on June 19, and TwitVid says it will be available in the next version of TwitterFon once the application is approved — hopefully by the end of the month. VentureBeat writer Paul Boutin has already written about the race among video sites for Twitter users. I’m betting iPhone users will be a big part of that race, so expect other Twitter applications and video services to start competing in this area soon.

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