General Blood brought price transparency and competition into the human blood market. General Blood also developed the first of it's kind online blood exchange. Donated human blood is the largest generic pharmaceutical drug in the United States, generating over $6 billion in annual sales (the blood you donate at a blood center is sold to hospitals for $160 - $250 per pint). Great story on the industry can be found at: http://www.wfaa.com/news/local/investigates/blood-business-pits-charities-against-one-another/149018311