My pinned thoughts list at the top of the plex ride over the top of the transparent button.
With less pins or by closing the Toolbar I can see the button clearly. However, when a pin overlaps the transparent button, pressing it switches to transparent mode AND activates the pinned thought.. hmm..
Increase your intelligence-play http://www.lumosity.com and build better brains.
Try Dual n-Back Training and more to improve *your* fluid intelligence.