According to a study by Ipsos & Agri Studies Inc., large agricultural producers heavily use the internet, with 92% using agricultural websites and 89% using email. When online, producers are most interested in weather information at 93%, marketing information at 90%, and production information at 77%. The study also found that 25% of US cell phones were smartphones in mid-2010, expected to rise to 50% by the end of 2011, and that 1 billion apps had been downloaded from Apple in 9 months.