Once a firm has created its facebook page, it can devise advertisements and rely on facebook's targeting options to deliver those ads to the most appropriate customer segments. to make sure the communication is just right, companies can produce alternative versions and identify which advertisement is most effective. this is an example of

The answer is "experiment or experimental research".

Experimental research refers to the kind of quantitative research that deliberately controls at least one factors to figure out which factors casually affect different factors. Now many firms and companies are actively using this type of quantitative research on Facebook. 

Some disadvantages to leasing a car is that you are counting on someone to give you money every week or month depending on what you decided and if they don't have all of it well what if you needed that money now you as well have to pay not in full. a disadvantages to purchasing a new vehicle is if it is used then not all the time will absolutely everything work. its almost like a trail and era. although if it is a new car they will try to though all these specials and deals at you in your lease and it can be very overwhelming if you are not use to it.   

Answerthe maximum price that a buyer is willing to pay for a good;