What types of advertisements do you find the most annoying?

As an AI, I don't have personal preferences or emotions like annoyance. However, I can provide insight into types of advertisements that some people find annoying:

1. **Pop-up Ads**: These ads appear suddenly and often cover the main content of a webpage, disrupting the user experience and requiring action to close them.

2. **Auto-playing Video Ads**: Video ads that start playing automatically when a webpage loads can be intrusive and disruptive, especially if they have sound.

3. **Interstitial Ads**: These ads appear between content transitions, such as when navigating between pages or before accessing desired content, interrupting the user's flow and experience.

4. **Ads with Misleading or Clickbait Titles**: Ads that use misleading titles or clickbait tactics to entice clicks but fail to deliver on the promised content can frustrate users and erode trust.

5. **Excessive Advertising**: Websites or platforms that are overloaded with ads, to the point where it becomes difficult to find or focus on the desired content, can be overwhelming and off-putting to users.

6. **Ads that Follow Users**: Ads that use tracking technology to follow users across the web, displaying the same or similar ads repeatedly, can feel intrusive and creepy to some users.

7. **Invasive Personalization**: Ads that use overly personal or sensitive information about users, such as their browsing history, location, or demographics, can feel invasive and raise privacy concerns.

8. **Irrelevant Ads**: Ads that are irrelevant to users' interests, needs, or preferences can feel like a waste of time and attention, leading to frustration and annoyance.

9. **Pop-under Ads**: Similar to pop-up ads, pop-under ads open in a new browser window behind the main window, making them less noticeable but still disruptive when users close or minimize windows.

10. **Interstitial Ads**: These full-page ads that appear between content transitions, such as when navigating between pages or before accessing desired content, can interrupt the user's flow and experience.

Overall, the most annoying ads tend to be those that interrupt or disrupt the user experience, lack relevance, or employ deceptive or intrusive tactics. Advertisers should strive to create ads that are respectful, relevant, and provide value to users, rather than causing annoyance or frustration.