Logitech’s MX Ergo made me a trackball convert

Some geeks of my vintage have a nostalgic fondness for trackballs, but I never managed to form such an association. Instead, I’ve been pretty much a dedicated mouse user since the mouse first became an option. But Logitech’s MX Ergo wireless trackball has changed all that – and I’m not sure I’ll ever go back. The new trackball has some highlight features including a load of customizable buttons,