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Online advertising

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Companies use the internet to show you things.

Display advertising and programmatic advertising diagram - Diaz Ruiz 2025
Display advertising and programmatic advertising diagram - Diaz Ruiz 2025

They show ads on websites and phones. These ads show toys or food. They help people find things to buy.

Some ads are just pictures. These are called display ads. They can have videos or moving parts. You might see them on social media.

Wikimedia Donation Banners
Wikimedia Donation Banners

Ads can also be in your email. Sometimes, too many ads arrive at once. People call this "spam." This can be very annoying.

Computers help pick which ads you see. They use special tools to do this fast. This is called programmatic advertising.

Ad serving square
Ad serving square

These tools look at what you like. They try to show you better ads. It is a big part of the web.

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File:1929- Advertising revenue as percent of GDP (US).svg
1929- Advertising revenue as percent of...
File:Wikimedia Donation Banners.png
Wikimedia Donation Banners.png
File:Display advertising and programmatic advertising diagram - Diaz Ruiz 2025.jpg
Display advertising and programmatic...
File:Ad serving square.svg
Ad serving square.svg
File:Made for Advertising (MFA) website.jpg
Made for Advertising (MFA) website.jpg
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