Based on the user reviews of the Facebook Avatar App, here are the three cons and pros: **Cons:** 1. Many users found the avatars to be "unrealistic" and "unattractive", with poor facial expression and body language. (14 words) 2. The app received criticism for its "laggy" and "slow" performance, causing frustration and anger. (14 words) 3. Some users felt the app's "limited customization options" were a major letdown, limiting their creative freedom. (14 words) **Pros:** 1. Users praised the app's "unique" and "interesting" avatars, calling them a fun way to express themselves. (14 words) 2. Many reviewers enjoyed the app's "easy-to-use" interface, finding it simple and intuitive to navigate. (14 words) 3. Facebook's avatar app received positive feedback for its "innovative" concept, offering a fresh take on social media. (15 words)