GIF

Graphics Interchange Format
bitmap image format
CompuServe
1987

Widespread World Wide Web usage
solid color graphics/logos

Format

8 bits per pixel
single image reference palette
256 distinct colors
24-bit RGB color space
no continuous-color

Animations

Dog_Balance.gif
Separate frame-palette of 256 colors
color limitation

Compression

Lempel-Ziv-Welch (LZW) technique (patented)
lossless data compression
1985

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