Such PAA or People Also Ask feature is one series of dynamically loading questions which are related to the first searched query showing in those search results on the mobile and desktop. 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 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 been some instances of infinite PAAs but a lot would stop after several 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.
Know that unlike such featured snippets, the People Also Ask feature is certainly moving around the first page of these result pages. However, a lot of the PAAs showed below on the first SERP.
There had been that increase in popularity of the People Also Ask feature when Google put this in 2015. You must learn that the PAA is really one of the growing search result page features and this is also a lot faster even such featured snippets known as quick answers.
An important thing that you have to know is that PAAs actually show 70 percent of the search results that featured snippet and also show to be using a similar source to answer such featured snippets and those PAA questions. What you must know that this means that ranking such answer to a featured snippet and that PAA question may lead to many cases of exposure. You have to know that one PAA can actually appear in over 20 search result pages.
If you are going to try ranking for as the answer in the People Also Ask question, you have to optimize such like you would for that featured snippet. Make sure that you answer the question in a very concise, clear and in such authoritative manner. 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 would be great that you go through the website so that you will be able to get more info on the benefits of Google expanding the People Also Ask feature. In doing so, you will be able to learn more on the advantages of using the PAA.