Television viewership by championship: Compiled using various media reports.
S-2
Most expensive drugs: www.forbes.com/2010/02/19/expensive-drugs-cost-business-healthcare-rare-diseases.html
Cost of a ride on Virgin Galactic: www.virgingalactic.com
Windows market share: www.netmarketshare.com/operating-system-market-share.aspx?qprid=10&qpcustomd=0
Electricity demand: U.S. Energy Information Administration, U.S. Department of Energy, www.eia.gov/forecasts/aeo/MT_electric.cfm