SMS is an acronym for Short Message Service, a telephony based messaging service available for use with most smart and not-so-smart phones. SMS has the advantage of not relying on the internet, and thus can function without data connectivity as long as a cellular/mobile signal exists.« Back to Glossary Index
Leo A. Notenboom has been playing with computers since he was required to take a programming class in 1976. An 18 year career as a programmer at Microsoft soon followed. After "retiring" in 2001, Leo started Ask Leo! in 2003 as a place for answers to common computer and technical questions. More about Leo.