My college had some computer science folks that gave out $10 cash per student to type a page of text for obtaining training data.
Unfortunately we ran into some mistakes in the communication between DARPA and the university which cut things the project short.
We were also working on mobile identification which included the timing between letter combinations (2-grams if memory serves right) as well as accelerometer data.
I wonder how many schools setup something similar? At least two I guess :).
The GradType was creating using my personal funds. Any help is greatly appreciated!