Bigstream offers ad hoc wireless streaming for your iOS device and iPod

Need to give a presentation but don't want to futz with the vagaries of getting on the local network wherever you land? Want to stream music in a strange place from your iPod nano? Want to play games on your TV from your iPad while controlling from your iPhone without the VGA-out cable adapter and separate audio cable? Bigstream is coming out with a rechargeable adapter to do all of this and more, although it'll only be streaming a somewhat lower-res video than VGA (it's the old RCA composite

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