The People Also Ask feature is a series of such dynamically loading questions that are actually related to the first searched query that shows in the search results on the desktop and mobile. If a user would click on a certain question in such PAA feature, such drop-down would appear with those featured snippets known as the quick answers from a different search result.
For various PAA results, each time the user clicks an extra PAA question, then such new dynamically loading question is going to appear below. There have also been a few instances of many PAAs but many would stop after some new questions. Such PAA feature first showed in the search results in the summer time of 2015. Know that the organic search feature is actually part of the ongoing efforts of Google for improving the search experience and also keep those searches in the Google interface much longer.
Unlike those featured snippets, the People Also Ask feature now is moving around the first page of those search results. However, a lot of the PAAs showed below on the first SERP.
What you must know is that the People Also Ask feature has really grown in popularity at the time that Google first debuted this in 2015. You should learn that the PAA is actually one of the fastest growing search result page features and is also much faster even those featured snippets also called the quick answers.
What you have to know is that the PAAs show in seventy percent of all those search results with such featured snippet and show to be using the same source to answer the featured snippets as well as PAA questions. What this truly means is that ranking the answer to such featured snippet as well as PAA question may result in various instances of exposure. You have to know that one PAA can actually appear in over 20 search result pages.
When you would try ranking like the answer in the People Also Ask question, then you must optimize similar to how you would for such featured snippet. Make sure that you answer the question in a very concise, clear and in such authoritative manner. With the question or answer approaching to the content would have a better user experience by making sure that the user intent is aligned with the content.
It would be a fantastic thing that you really checkout the website for you to have more info on the advantages of such Google expanding the People Also Ask feature. With this, you can learn more on how you can benefit using the PAA.