Absolutely. Written feedback remains a vital way that employees give and receive feedback. Additionally, there's power in nonverbal gestures. Imagine giving a speech and the audience members yawning and falling asleep. Unless you are performing in front of a sleep-deprived group, that's nonverbal feedback worth paying attention to. However, if you can, it's also important to provide verbal feedback. Much can get lost if feedback is only given in writing or through nonverbal gestures.