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. When a certain user clicks on the question in such PAA feature, there is a drop-down showing up the featured snippets which are termed quick answers from another search result.
For many PAA results, every time that the user would be clicking such extra PAA question, the new dynamically loading question would then be shown 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. Be aware that the organic search feature is essentially a part of the ongoing efforts of Google to be able to improve such search experience as well as to keep the searches in such Google interface much longer.
Unlike those featured snippets, the People Also Ask feature now is moving around the first page of those search results. But, so many of the PAAs actually appeared below the first search result page.
An essential thing to know is that the People Also Ask feature has surely become more popular when Google first offered this in 2015. It is quite important for you to know that the PAA is considered to be one of the quickest growing search result page features and this is a lot faster even to those featured snippets which are known as quick answers.
What you should know is that such PAAs actually show in 70 percent of the search results that show snippet and this seems to be using the same source for answering the featured snippets and the different 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. An info that you must know is that one PAA may show up in more than 20 search result pages.
If you try to rank like the answer in People Also Ask question, you have to optimize in the same way like how you would for that featured snippet. It is very important that you actually answer the question in a clear, concise and authoritative way. Having that question or answer to content would give a much better experience for the user by aligning the intent of the user with the relevant content.
It is a great thing that you check out the website so that you can get a lot more info on the benefits of Google expanding the People Also Ask feature. Through this, you will have more knowledge on how you will be able to benefit from the PAA.