P11.3 / Many experienced speakers are more comfortable with a brief set of notes, or not notes at all, which allows them to communicate more directly with the audience.
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LAS VEGAS, NV - JANUARY 08: Twitter CEO Dick Costolo speaks during the Brand Matters keynote address at the 2014 International CES at The Las Vegas Hotel & Casino on January 8, 2014 in Las Vegas, Nevada. CES, the world's largest annual consumer technology trade show, runs through January 10 and is expected to feature 3,200 exhibitors showing off their latest products and services to about 150,000 attendees. (Photo by Ethan Miller/Getty Images)