Dick Costolo http://www.entrepreneur.com/topic/dick-costolo The latest news, videos, and discussion topics on Dick Costolo en-us Copyright 2014 Entrepreneur.com Inc., All rights reserved. Entrepreneur.com webmaster@entrepreneur.com (webmaster) 5 Business Fri, 07 Feb 2014 16:12:00 GMT POLL: Are We All Idiots? Or Is Twitter Really Difficult to Use? To the surprise of many, some people find Twitter difficult to understand. Are hashtags really that confusing? Fri, 07 Feb 2014 16:12:00 GMT http://www.entrepreneur.com/article/231341 http://www.entrepreneur.com/article/231341 Jason Fell Investors Unnerved: Is Twitter Too Difficult to Use? The social media company's stock plunges 20 percent on report of slow user growth. Thu, 06 Feb 2014 14:09:00 GMT http://www.entrepreneur.com/article/231304 http://www.entrepreneur.com/article/231304 Jason Fell Wearable Tech, Marissa Mayer, Entrepreneurs and Innovation: A CES 2014 Preview A bird's eye view of what's set to take place at the big tech event in Las Vegas next week. Thu, 02 Jan 2014 11:30:00 GMT http://www.entrepreneur.com/article/230578 http://www.entrepreneur.com/article/230578 Jason Fell Twitter CEO Spars With Tech Entrepreneur Over Lack of Women on Board After a New York Times story critiqued Twitter for having zero women on its board, the social network's CEO aired his opinions -- leading to a social media-infused grudge match. Mon, 07 Oct 2013 15:51:00 GMT http://www.entrepreneur.com/article/228755 http://www.entrepreneur.com/article/228755 Lyneka Little