Tip #18: Give feedback to the user

If a user mousesover something—if they place their mouse cursor on it—and nothing happens, then the user will assume that nothing it’s not clickable. Similarly, if something doesn’t look different when it’s selected, then the user can’t know that it’s …

Tip #17: Make actions discoverable

Engineers always know what actions are possible in their products, but users have no idea. If you want a user to use a feature of your product, you need to tell them it’s there. But don’t expect them to read …

Tip #16: Keep the important things in reach

Your thumbs can only stretch so far. See, on the computer—where everyone first learned how to design interfaces—it didn’t matter if the buttons went at the bottom or at the top because the mouse could go anywhere. In fact, the …

Tip 15: Keep things clean

You can use reds—you can use greys. You CAN use anything under the sun, but it’s often best to keep things nice and simple. Say you’re making cards in your design—should you use red and blue backgrounds, forcing you to …

Tip #14: Use curly quotes when quoting

There are two different marks that look pretty similar, hatch marks (' & ") and curly quotes(‘, ’, “, & ”) Hatch marks show feet: 4'; and inches: 11". Curly quotes show contractions: can’t; and quotes: “No way, I’m not …