Keyboards are one of the fastest and most accurate ways to input text into a digital device. Sure, you could argue that speech recognition has beaten a txting champion (Ben Cook
in 2006), but the more common experience with speech recognition is far from perfect dictation results. Early keyboards used some relatively complex mechanical designs to achieve a nice tactile feel and accurate input -- replaced by various iterations of keyboard improvements
to become thinner and lighter and more (or less) clicky-sounding. Here are just a few more attempts to make better keyboards.
If you'd like to read more awesome and interesting stuff, check out this unrelated (but not entirely random!) Techdirt post