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2. Document camera - Wikipedia

   en.wikipedia.org/wiki/Document_camera

   Document cameras capture the whole document or object in one step, usually instantly. Typically, documents are placed on a flat surface, such as an office desk, underneath the capture area of the document camera. The process of whole-surface-at-once capturing has the benefit of increasing reaction time for the workflow of scanning.

3. Flip chart - Wikipedia

   en.wikipedia.org/wiki/Flip_chart

   Flip charts have being in use from the 1900s, the earliest recorded use of a flip chart is a photo from 1912 of John Henry Patterson (1844-1922), NCR's CEO while addressing the 100 Point Club standing next to a pair of flip charts on casters. [4] The flipchart we know (on a small whiteboard) was invented by Peter Kent in the 1970s.

4. AOL Mail

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   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

5. News, Politics, Sports, Mail & Latest Headlines - AOL.com

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   Discover the latest breaking news in the U.S. and around the world — politics, weather, entertainment, lifestyle, finance, sports and much more.

6. Flip book - Wikipedia

   en.wikipedia.org/wiki/Flip_book

   A flip book, flipbook, [1] flicker book, or kineograph is a booklet with a series of images that very gradually change from one page to the next, so that when the pages are viewed in quick succession, the images appear to animate by simulating motion or some other change. Often, flip books are illustrated books for children, but may also be ...

7. Overhead projector - Wikipedia

   en.wikipedia.org/wiki/Overhead_projector

   Older overhead projectors used a tubular quartz bulb which was mounted above a bowl-shaped polished reflector. However, because the lamp was suspended above and outside the reflector, a large amount of light was cast to the sides inside the projector body that was wasted, thus requiring a higher power lamp for sufficient screen illumination.