mobile app development By justinb56 1973 the first ever mobile phone created https://www.uswitch.com/mobiles/guides/history-of-mobile-phones/ 1983 mobile app development https://inventionland.com/blog/the-history-of-mobile-apps/ 2001 aim craated https://www.bustle.com/articles/141603-9-apps-that-will-take-you-back-to-the-90s 2006 twitter created https://www.britannica.com/topic/Twitter 2007 mobile became popular https://www.imore.com/app-store-at-10/ 2009 angry birds created https://inventionland.com/blog/the-history-of-mobile-apps/ Oct 6, 2010 inatagram created https://www.investopedia.com/articles/investing/102615/story-instagram-rise-1-photo0sharing-app.asp 2011 snapchat created https://www.buycustomgeofilters.com/blog/snapchat-history-and-updated-timeline