Unlike Facebook or Instagram, Twitter's core experience isn't about photos. It's a world of text, with occasional embedded photos, animated gifs, and short video clips.

For the longest time, computers have been associated with work. Mainframes were for the Army, government agencies, and then large companies. Workstations were for engineers and software programmers. PCs were initially for other white-collar jobs.

Twitter is short-form, real-time, and text-based. It's built for instant alerts and rapid consumption. It is an ideal system for delivering sips of information from an abundant stream.

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