The smartphone revolution began in the late 1990s and early 2000s when mobile phone usage grew from 3 in 10 Americans to 9 in 10 Americans between 1999 and 2009. Smartphone ownership increased from 31% of Americans in 2011 to 43% in 2015. Blackberries were initially popular for corporate use but smartphones like Android and iOS devices became more common. Apps and social media have changed how people communicate and access information. Smartphones have transformed education and many see them becoming essential learning tools. What was once a luxury is now widely used around the world, changing how people live and work.