Advertising has changed a lot in the past 15 years. Most of the advertising are on a media, especially in social media because it easy to access and it a lot faster than reading an advertising from other media. Social media has influenced almost every people around the world, just think if the world right now doesn't has social media, what our life will be, it will be a lot harder to live without social media. Some company paid a famous website for space to put their advertising on it. You can see that many website right now has a lot of advertising from different companies.