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Send tweets automatically during a Keynote presentation with Keynote Tweet
Imagine if, as Steve Jobs moves through each slide of his Keynote presentation, he also has the telepathic powers to automatically tweet information related to the slide. But even the almighty Steve Jobs can't do that. Fortunately for him, there's Keynote Tweet. An open source AppleScript app, Keynote Tweet will automatically tweet the text from your presenter notes (accessible by clicking on "view" and selecting "show presenter notes"). Keynote Tweet was exposed to me while reading a piece by IDEO Labs' Gentry Underwood, who highlights the idea of large presentations increasingly occurring within the context of a backchannel in which audience members are responding to what's being presented. Getting Keynote Tweet up and running is fairly straightforward. Simply download the app, and then add the following entry into the Keychain Access app: Keychain Item Name: http://twitter.com Account Name: Your email address Password: Your Twitter password Now, with the Keynote Tweet app running, any text between the [twitter] and [/twitter] tags will automatically tweet when that slide is displayed (while in slideshow mode). For example, "Jay Leno lacks the charm, wit and red headedness of Conan O' Brien" will be tweeted the moment I reach the slide showing the percentage of people that hate Jay Leno. Keynote Tweet is available as a free download here. [via IDEO Labs]
DIY multitouch 67-inch rear-projection TV
Sure, this ain't the first multitouch / rear-projection tv hack we've seen, but the thing is still rather novel. Using a 67-inch television, this guy put together a system that utilizes four IR laser line generators to produce a plane of infrared light across the entire surface of the screen. Two cameras mounted inside the TV look for the clusters of light generated when one touches the screen and tracks them using an app called tbeta for the Mac OS. If you'd like to build one yourself -- or if you're morbidly curious -- the kids at IDEO Labs have put the step-by-step out there in excruciating detail. Hit the read for some of that action or, if you really just like to watch, be sure to catch the videos after the break. [Via Hack A Day]
