Delta Airlines is among the companies experimenting with selling products and services on their Fasebook pages. The idea is to make purchasing even easier for customers who may spend large portions of the day with Facebook active on their computers or mobile devices. There is no need even to navigate to Delta's website$-$users can book a trip in Delta's "Ticket Agent" application without ever leaving Facebook. Which element of the marketing mix does this represent?

Multiple Choice

place and value delivery

product and value criation