If they stop providing value to users, they are putting their ad business at risk. It's never free, providing value to share holders is a top priority.
There are also all the free services that just build goodwill. Those are the most at risk. Of course the "ad carriers" are treated better, since again money is on the line. But any non-essential. feature thereof is also potentially killable.
There are also all the free services that just build goodwill. Those are the most at risk. Of course the "ad carriers" are treated better, since again money is on the line. But any non-essential. feature thereof is also potentially killable.