With a short term view like this, you're going to be shocked when it dries up almost over night. Notice the direction change that hit the industry? (Hint: mobile) Notice Microsoft being almost completely absent?
Their profit model at this point appears to just be extracting more money from business clients who can't quickly switch away from them.
Their profit model at this point appears to just be extracting more money from business clients who can't quickly switch away from them.