https://www.cnbc.com/2018/05/15/this-philip-morris-device-knows-a-lot-about-your-smoking-habit.html

In seeking regulatory approval for a new smoking device called iQOS, Philip Morris International is claiming the electronic gadget is less likely to cause disease than traditional cigarettes. But the iQOS holds another, less obvious advantage over regular smokes: the ability to harvest personal data about users' smoking habits.

The tobacco giant is already building a database of iQOS customers who register with the company. And it has developed a software application that could take things a step further.