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2. Laser pointer - Wikipedia

   en.wikipedia.org/wiki/Laser_pointer

   Red (635 nm), blueish violet (445 nm), and green (520 nm) laser pointers. A laser pointer or laser pen is a (typically battery-powered) handheld device that uses a laser diode to emit a narrow low-power visible laser beam (i.e. coherent light) to highlight something of interest with a small bright colored spot.

3. Wireless clicker - Wikipedia

   en.wikipedia.org/wiki/Wireless_clicker

   A speaker giving a presentation with an RF pointer in his left hand. Using a wireless clicker, helps the presenter to move freely, instead of being obliged to stay next to the computer, can get closer and keep in touch with the audience, watching the presentation together with them, being able to use the built-in laser pointer, in order to emphasize specific points in the dialogue with the ...

4. Handheld projector - Wikipedia

   en.wikipedia.org/wiki/Handheld_projector

   Combining a pico projector with a webcam, a laser pointer, and image processing software enables full control of any computing system via the laser pointer. Pointer on/off actions, motion patterns (e.g., dwell, repetitive visit, circles, etc.) and more can all be mapped to events which generate standard mouse or keyboard events, or user ...

5. I tried the Bomaker Polaris 4K projector — and it's a ...

   www.aol.com/entertainment/tried-bomaker-polaris...

   Bomaker Smart HD Video Projector, $74 (was $180), walmart.com Miko Home Air Purifier to Safely Remove Dust, Pollen, Allergens, $80 (was $120), walmart.com HeimVision 1080P CA01 Wireless Security ...

6. This viral laser projection keyboard allows you to type on ...

   www.aol.com/lifestyle/laser-keyboard-gone-viral...

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7. Walmart Gets Laser-Focused on Lowest Prices Again - AOL

   www.aol.com/2012/03/29/walmart-gets-laser...

   Walmart (WMT) has put out an APB for shoppers: "We have the lowest prices all the time. Period." This week, the nation's biggest retailer detailed its $2 billion plan to "reinvest" in low prices ...