Twitter just got a patent approved that is very generic, but therefore also covers a lot of ground. It was registered 2008, so it was interesting to find a document I wrote 2006 that describes kind of the same thing. I leave it here for you to ponder, completely unedited (direct copy-paste from Word). Note Read more about Patent for Twitter[…]
Update 2013-06-24: It now has over 1700 conversions in 31 categories (acceleration, angle, area, circle / sphere, data, density, electric capacitance, electric current, energy, flow rate (mass), flow rate (mole), flow rate (volume), force, frequency, illuminance, length, luminance, number base, number system / amount, power, pressure, speed, temperature, time, time (advanced), torque, typography, volume, weight, Read more about Abiro Converter[…]