{"footnote":"  \u003Cp class=\u0022leftranged halfline\u0022\u003E    \u003Cem class=\u0022emphasisClass\u0022\u003ESmart Machines: IBM\u0026rsquo;s Watson and the Era of Cognitive Computing\u003C\/em\u003E by John Kelly and Steve Hamm (Columbia, 160 pp., \u0026pound;16, 2013, 978 0 231 16856 4).  \u003C\/p\u003E\n","audio":[],"video":[]}