Larry Page using Android software and, by 2010, 17.2% of the handset market consisted of Android sales, overtaking Apple for the first time. Android became the world's most popular mobile operating system shortly afterward. Following a January 2011 announcement, Page officially became the chief executive of Google on April 4, 2011, while Schmidt stepped down to become executive chairman. By this time, Google had over $180 billion market capitalization and more than 24,000 employees. After Schmidt announced the end of his tenure as CEO on January 20, 2011, he jokingly tweeted on Twitter: "Adult-supervision no longer needed." Quartz organizational management reporter, Max
Education Management Corporation their students in campus-based programs in order to maintain federal loan eligibility. Former Apollo Education CEO Todd S. Nelson became Chief Executive Officer of EDMC in February 2007. On September 21, 2009, EDMC became a public company once again, raising $330 million ($ in dollars) on the NASDAQ while Goldman Sachs retained 40% ownership. In 2012, Edward West replaced Todd Nelson as CEO, while Nelson replaced McKernan as chairman. After the growth in student numbers in the late 2000s, EDMC’s enrollment declined from around 160,000 students in 2011 to approximately 130,000 students at the end of 2012. EDMC has attributed