basically you've to select two add and do it like before and after which means write difference then write the factors which because of which those changes occurred

Select any two products and a add of that product that can be print add tv add magazine or any add can be selected from anything clothing or oil, car or motorbike,tube lights anything one from twenty year ago and would be compared of this era's add of same product then second product will also be compared like wise from thirty year ago of same product -Then after watching both of the add make a new list the core values and beliefs from each decade mentioned. If the values and beliefs changed which influence the changing of add how have they changed?Tell in bullets or paragraph form -make a generalised statement about how marketing firms have responded to changing beliefs and values, if you observed some changes, explain that because of what environmental factors has those changes occurred? Highlight that factor before explaining that for example it could be price changing,appea| changes,promotional changes or any other change For example if add is of BEBE]. or cake it would've changed a lot with time so all the factors which led to those changes in the era of 20 or 30 years Please mention the link of odds that you've selected if picture isn't possible