{"footnote":"  \u003Cp class=\u0022leftranged halfline\u0022\u003E    When I first wrote about high-frequency trading in the \u003Ca href=\u0022\/the-paper\/v33\/n10\/donald-mackenzie\/how-to-make-money-in-microseconds\u0022\u003E\u003Cem class=\u0022emphasisClass\u0022\u003ELRB\u003C\/em\u003E of 19 May 2011\u003C\/a\u003E, nanoseconds    still seemed marketing hype. No longer.  \u003C\/p\u003E\n","audio":[],"video":[]}