However, there is one caveat: you must be invited to the study to make it participate.

Its unclear how to get invited to the study.

Lifewire reached out to Apple to find out, and will update this story when we receive a response.

Siri activated on an iPhone.

Omid Armin / Unsplash

Siri is also getting significant upgrades in theiOS 15 update coming this fall.

One of them is Siri Knowledge in Photos, which will allow Siri to recognize whats in a picture.

More importantly, Siri no longer defaults to a male or female voice.

An iPhone with Siri active on the screen.

David Grandmougin / Unsplash