You know the corners that you try to vacuum as close as you can, but it's never close enough? How about a little door on the side of your vacuum that opens when pressed against something (like a wall). When open it sucks out of the side of the vacuum. When moved away from the wall it automatically shuts.
Have you ever been in a speech or something where the speaker fields questions from the audience? If you weren't in a UN-style microphone-at-every-seat equipped room, then you probably saw one or two saps running the microphone around to those asking questions. I was this sap recently in a press conference, and although I consider myself quite agile, it still delayed things and was noisy for the cameras (not to mention my beautimous profile when I had to run in front of them). I've also heard people bragging about shot-gun mics that can pick up someone's voice leagues away. Couldn't these work in this situation, where the sap can just stand at the front with headphones on and point the mic at whoever is talking? Maybe it wouldn't work so well in a football stadium, but surely a 20-person press conference could manage. Right?
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