A few years ago an elderly relative of mine died, leaving behind an emotive collection of letters and artefacts from a Private serving in the First World War. It forced me to cast my imagination back to a more brutal time, before the "format wars", mobile OS battles and the other aspects of our lives seen as so important now but not even conceived of 100 years ago.
The UK's National Archives has been tweeting the war as it happened for some time. With today being the D-Day anniversary, it's crunch time. Read its messages while thinking about how cushy we all have it nowadays. [War Cabinet]
The Boeing RC-135 is the most effective American spyplane you've never heard of. It's the John Paul Jones to the SR-71's Robert Plant—a quiet workhorse that has flown over countless US missions while providing vital, real-time signals intelligence.