Or just use digits of pi; most people have at least 10 digits memorized, some have 20+ memorized. There's also a formula you can memorize for calculating the nth digit of pi, so you have infinite random numbers without memorizing an esoteric algorithm with a bazillion corner cases.
That said, I still thought this was an interesting article and I loved the animated bar graphs.
That said, I still thought this was an interesting article and I loved the animated bar graphs.