Right-Clicking in Google Drive

You can now right-click on items in Google Drive to display a context-sensitive menu.

Using the SHIFT and CTRL Keys in Google Drive

You can now use the SHIFT key to select a group of items.  (Click the first item in a list, hold down the SHIFT key, and then select the last item in the list.)

You can use the CTRL key to select individual items.  (Select the first item, hold down the CTRL key, and then select additional items while holding down CTRL.)