Trillions of text messages are sent and received via SMS-enabled devices every day, but have you ever stopped to ask, “What is SMS, exactly?” One of the oldest forms of mobile messaging, SMS messages ...

SMS is a text messaging standard that has been around for many years. SMS has been superseded by internet-based instant messaging services, and yet it still remains commonly used in some countries -- ...

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iPhone users have long dreaded the Android green bubble — Apple's way of showing that a text was sent as an SMS or MMS message instead of iMessage. SMS messaging has been around since 1992, and these ...