Today's Google Doodle celebrates the life of Hedy Lamarr. This 1940s Hollywood star-turned-inventor helped pave the way to today’s Bluetooth, WiFi, and GPS, being a pioneer in the field of wireless communications.
http://mashable.com/2015/11/09/hedy-lamarr-google-doodle/?utm_cid=mash-com-Tw-main-link#tSbbo1dfPgq2