Life in a Day (2011 film) part of the "elite" and to show the intricacy and strangeness of the seemingly mundane." Macdonald began his "Around the world in 80,000 clips" article in "The Guardian" by posing the questions, ""What do you love? What do you fear? What's in your pocket?"" and explaining that "one day last summer, I asked ordinary people around the world to answer those three questions and spend a day filming their lives." The 80,000 individual clips received amounted to 4,500 hours of electronic footage. Macdonald explained that about 75% of the film's content came from people contacted through YouTube, traditional advertising, TV
Life expectancy of demography. Future trends in life expectancy have huge implications for old-age support programs like U.S. Social Security and pension since the cash flow in these systems depends on the number of recipients who are still living (along with the rate of return on the investments or the tax rate in pay-as-you-go systems). With longer life expectancies, the systems see increased cash outflow; if the systems underestimate increases in life-expectancies, they will be unprepared for the large payments that will occur, as humans live longer and longer. Life expectancy forecasting is usually based on two different approaches: Life expectancy is