Originally scheduled for completion in 2015, Apple has been forced to push back its Campus 2 move-in date until the summer of 2016. When the campus was announced in 2011, the project already had a budget of $3 billion but that number has reportedly risen to over $5 billion as Apple moves ahead with development of what Steve Jobs said would become "the best office building in the world" — thanks to its curved glass exterior and energy-efficient design. Apple says that its development schedule "may be modified to meet [its] business needs" moving forward, so that may not be the last of its revisions. Despite these early setbacks, Apple is focused on opening its circular 2.8 million-sf building within three years, allowing it to hold more than 12,000 employees.