Amber is a good thing to use, but in case you do not have any, a plastic fountain-pen or the handle of a toothbrush will do.

琥珀是一种好的材料，但万一你没有，一根塑料自来水笔或牙刷柄也可以。

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The keynote speakers this year include humorist Baratunde Thurston, "cyber anthropologist" Amber Case, Code for America founder Jennifer Pahlka and futurist Ray Kurzweil.

CNN: The changing culture of SXSW Interactive

Today geographic information systems leader Esri announced its acquisition of geo-locating platform Geoloqi, the 2010 FORBES Name You Need To Know company led by 26-year-old CEO Amber Case.

FORBES: Amber Case On Geoloqi Acquistion: 'Esri Is A Beautiful Match'

Police never issued an Amber Alert on either case because they had no specific evidence of an abduction.

WSJ: Lapse in Missing-Persons List Questioned by Cleveland Officials