Understanding gifs, bitmaps and jpegs
![Understanding gifs, bitmaps and jpegs - Sketchplanations](https://images.prismic.io/sketchplanations/cb957225-ce65-478d-be1a-4511b22f5ba4_76053245354.jpg?auto=compress%2Cformat&fit=max&w=3840&q=50)
Knowing a little of the fundamentals really helps you appreciate why people always create such giant PowerPoint files all the time by mistake (hint: the standard screen capture pastes as a bitmap) and why images go grainy on the Internet or load really slow.
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