Would you like fries with that? (Web Informant) -- "The same thing (upsells, not overpriced drinks) is happening on the web, only this time the technology is more sophisticated and as a result, somewhat more complex and less obvious. The technology, available from LivePerson.com and others, brings up a pop-up window with an offer from a sales representative to chat with you and turn you from a potential buyer into a customer and close the sale."