New Windows laptop == new pointless preinstalled stuff.
This time there’s a Super-Handy MS-Paint drawn button that lets you swap windows between desktops.
The hands of the arrow are even mismatched to give it that “drawn by a 3-year-old” charm.
Thanks Dell!
Edit: Found a way to get rid of it. http://en.community.dell.com/forums/p/19277935/19499629.aspx#19499629