How a dispute about Royalties gave birth to the PNG file format
At the end of 1994, controversy brewed about royalties that were imposed on GIFs due to Lempel – Ziv – Welch (LZW) data compression technique used to support this image format. Unisys, who had patented the technique a few years before, insisted that royalties were imposed on, which triggered a severe setback among developers. The […]
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