1)what dose an advert need to have to make it look professinal
a advert needs a slogan, title, product, colourful background and font to match theme of advert
2)how dose an advert perssuade people that they need the product advertised
the advert perssuades people they need a product by appeling to a basic need so the audience feels they need it also by using a sence of jelocy by making people feel they are being left out