Learning Optimism with the 24x3 Rule - Anthony Tjanhttp://blogs.hbr.org/tjan/2011/07/learning-optimism-with-the-24x.html?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+harvardbusiness+%28HBR.org%29&utm_content=Google+Reader by awa • 15 years ago 1 0 15 years agoBLblogs.hbr.org