In My Media, sometimes the analytics icon/button and Actions > Analytics menu disappear when the browser is too small.
Here's a screenshot:
The browser window is too small. If you shrink your window, the user interface drops buttons/icons. Just maximize or at least stretch it out, and they reappear. The same holds true for the Actions menu. For some reason, when the window is small, Analytics drops out!
Here's a screenshot of what I mean for the former:
