What is SMS? (Short Messaging Service)
1. It is a short message sent to mobile phones.
2. The message lenght limit is 160 characters.
3. First SMS was sent on 3 December 1992 by the programmer Neil Papworth. He was a Vodafone director in the UK. The message was sent to Richard Jarvis, a Vodafone director in the UK. First SMS was sent at a Christmas office party.
4. The avarage open rate of SMS is close to 99%.
5. Most SMS are read within 15 minutes of receipt.
Related text messaging apps
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