Free app (with ads) has over nearly half of the nation’s doctors (NYTimes)

Whereas there is a lot of discussion on HN for product/market fit and solving pain points, this article shows what a smart/lucrative idea can do.

From the article:

“You have a drug industry that spends $14 billion a year to influence people who prescribe drugs. There are only 600,000 people who are allowed to prescribe drugs, so there is $14 billion spent against 600,000 people. If you have a channel to reach these physicians, it is a gold mine.”