Ther ecobee3 has a touch screen, similar to that used in smartphones and tablets.
Touch items to select or activate them. For menus with a >, this will expand the menu to display additional options or submenus.
Swipe up and down to display additional information. Swiping on a temperature bar will also adjust the settings up or down.
Swipe left and right to scroll horizontal lists that contain multiple items to choose from.
To Exit or Go back, touch <
To close the main menu, touch ↓