When Your Group Chat Tells You to Fork Off

Command+Comma jumps you straight into any well-coded Mac app’s settings, no menu-hunting required, and Option+Return reveals the formula in any Numbers cell (Command+Return puts the result back). If your cross-platform Logitech keyboard has its Command and Option keys backwards, hold Fn+Shift+O for three seconds to flip the firmware into Mac mode — Fn+Shift+P sends it back to PC. While you’re at…