Source: Productivity data are unpublished data from the BLS Labor Productivity and Costs program's Major Sector Productivity and Costs and Industry Productivity and Costs databases; wage data come from the BLS Current Employment Statistics program's Employment, Hours and Earnings—National database ; Current Population Survey Outgoing Rotation Group microdata from the CPS survey conducted by the Bureau of the Census for the Bureau of Labor Statistics; and . Department of Labor Wage and Hour Division's online chart, “ History of Federal Minimum Wage Rates Under the Fair Labor Standards Act, 1938-2009. ”
It used to be that when I went out late in the city, I’d play a rousing game of “How long can I keep my phone alive so I can listen to music on the way home?” I would throw my phone into airplane mode, turn the brightness down, and hope it would last until I made it back to my apartment.
Apple has since improved the way it handles battery life, though it doesn’t do everything it could to ensure your phone stays on. There are a few more tricks of the trade you can use to keep your iPhone alive as long as possible. Below, nine foolproof options: