Football teams would have much less money if they were not sponsored.
And no-one is forced to look at advertising - you can turn the TV off between shows, or just flick past adverts in newspapers.
Posters have attention grabbing words, or provocative pictures.
Some adverts today are even being hidden in what seem like pieces or art or public information so people don't realise they are being marketed to.
People make unconscious judgements all the time, and we frequently try to influence these choices by the way we present ourselves.
This isn't brainwashing, so neither is advertising.
Other adverts try to compete on price, helping us seek out the cheapest or best value products.
In most cases advertising does not make us go shopping – we would be planning to buy food, clothes, gifts and entertainment anyway.
Adverts never criticise people - that would be terrible for the companies behind them.
Their aim is to understand and provide what people want, and so their adverts only ever reflect what people think.