Open Rate: the percentage of recipients who open and view a message. Open Rate=(exposed recipients/messages viewed)
-in is required for all commercial uses of SMS/MMS messaging in the United States. In most cases, a user sending a text to a short code is considered permission to send that user a return message—ongoing messages generally require a specific opt-in message be sent to the sender—for example “Text DEAL back to this short code to receive weekly coupons”.
Types of mobile devices grouped by capabilities and operating systems for example Android, or iPhone.
Tap and Go: a slang term for NFC-enabled commerce in which the user simply taps his or her device on an NFC enabled terminal to complete a payment.