Well, for starters, the most obvious answer, which is Office 365. Have you glanced at the RAM use of those apps, ever? Second: web browsers, which can easily g

Well, for starters, the most obvious answer, which is Office 365. Have you glanced at the RAM use of those apps, ever? Second: web browsers, which can easily grab 5-10GB by themselves or even more if RAM is available. So in other words: everything.