artist and teacher's web site; under "digital storytelling" are wonderful quicktime movies, often from South America or in Latino USA, with subtitles; an exemplar of documentaries on the Internet
The Libra payment system is built on blockchain technology to enable the open, instant, and low-cost movement of money. People will be able to send, receive, and spend their money.
Z. Huang, W. Chung, T. Ong, and H. Chen. Proceedings of the 2Nd ACM/IEEE-CS Joint Conference on Digital Libraries, page 65--73. New York, NY, USA, ACM, (2002)