From many perspectives

For me, one of the striking things about the Boston Marathon bombings, the pursuit of the perps, and how the world followed these fast-breaking events has been the role of modern tech. Last week's tragedy, compared to other terrorist bombings (and would-be bombings) of recent years, seems immersed in the latest technology. And reminiscient of much near-future fiction ...

With non-jarring appsThe investigators had -- and made brilliant use of -- many thousand cameras. Ten years ago, would peopl...