"Internet of Things is devices communicating over the network. Your printer, your fridge...". So, like... the internet? "Digital Marketing is the hot new thing

"Internet of Things is devices communicating over the network. Your printer, your fridge...". So, like... the internet? "Digital Marketing is the hot new thing. It allows people to buy and sell through the internet". Have you been asleep for last twenty years? Jesting aside, I think these terms are added to differentiate from things occurring in other spaces or channels. Fraud exists, sure, but it is varied. Email fraud might share some patterns with mail fraud, but I suppose there are differences dictated by the vectors being different, even for cases like email/mail where one word signifies the other nowadays.