What is a function of the service layer of a cloud infrastructure?

Imagine that you have a friend who is starting a small business and is interested in using social media to spread the word. he is not certain that it is a good move, and has come to you for . would you advise him to use social media to advertise his business? why or why not? support you answer with information from the text.

Which component acts as a platform on which application software runs

Which statistical function in a spreadsheet you to see how far each number varies, on average, from the average value of the list?