The Economist 
March 26, 2013
THE best data visualisations are the products of a desperate, raw urgency to inform. That power is packed in the punch of Pitch Interactive, an interactive design firm in Berkeley, California. On March 25th it released a sophisticated visualisation of American drone attacks, entitled “Out of sight, out of mind .”
The chart brings together every reported drone strike in Pakistan since 2004 by date, location and number of fatalities (identifying whether they were civilians, children or high-profile targets).
The vertical lines for each strike and bars for victims underscore the degree to which the strikes were stepped up in 2009-10 under President Barack Obama—and they show the degree to which the attacks have tapered off slightly since that peak