1. News Feed Ads

- Site: They appear in users' news feeds, whether on mobile or computer.

- Advantages: They appear naturally between posts. They allow a large space for the image or video, making them very visible. They also have a lot of interaction because they appear in the place of primary interest for users.

- Disadvantages: Users may pass them by without noticing if they are not attractive enough.

- Example: An ad for a fashion company showing its latest collections with a link to buy.

2. Stories Ads

- Site: They appear between friends' stories and pages.

- Advantages: They appear full screen, making them very interactive and visible. They are short and quick, which is suitable for a young audience.

- Disadvantages: The display time is very short (5-15 seconds), so the message must be direct and clear.

- Example: An ad for an online store offering a special discount with a "Swipe Up" option to buy.

3. In-Stream Video Ads

-Place: Appears during long videos.

-Advantages: Attracts the attention of users who watch videos for a long time. They are suitable for detailed advertising messages because videos last longer.

-Disadvantages: Users may ignore them or close the video if they are not relevant to their content.

-Example: An ad for a car brand appears while watching a long video about car news.

4. Messenger Ads

-Place: Appears within the Facebook Messenger app, either between conversations or on the app’s home page.

-Advantages: A direct conversation can be started with the brand, allowing for personal interaction.

-Disadvantages: May be annoying to users who do not want ads in their private conversations.

-Example: An ad for a tourism company invites users to communicate via Messenger for personalized offers.

 5. Right Column Ads

-Place: Appears on the right side of the Facebook interface (on desktop only).

-Advantages: Less expensive than other placements. They target a specific audience well.

- Disadvantages: Small in size and may not get enough attention compared to "news feed" ads.

- Example: An ad for a website that provides software services, appears on the right side of the screen next to the content.

6. "Marketplace Ads"

- Location: Appears on "Facebook Marketplace", where users browse local products.

- Advantages: Targets users who are already searching for products, which increases the chances of purchasing.

- Disadvantages: Limited to users who enter "Marketplace", which is a relatively specific audience.

- Example: An ad for selling used furniture appears when users browse similar products.

 - The most popular and used ads: "News Feed" and "Story" ads.

- The most effective ads for short and direct messages: "Stories Ads".

- The best ads for detailed messages: "In-Stream Video Ads".

- Personal interaction ads: "Messenger Ads".

-The least expensive and most targeted ads: “Right Column Ads”.