Going on a trip down memory lane right now! For those who have not had the pleasure of living before the #iPhone era, make sure to visit the #Palm and #PalmPilot software library released by @internetarchive and learn how handheld computers (or Personal Digital Assistants, #PDAs) looked like, it was such fun! 
archive.orgInternet Archive: Digital Library of Free & Borrowable Books, Movies, Music & Wayback Machine