Facebook may add 'Sympathy' button soon.

Soon you can show your support to your friends on their sad status with the new sympathy button.

Facebook is working on another update to its 'Like' button. The social networking giant  recently added word “like”. And now, reports tip us the Like button will be improved with the new  – 'sympathy' button.
According to a Huffington Post report, Facebook's sympathy button would be based on 'mood' drop down list when a user sets status. When someone sets mood as 'sad', the Like button will turn into a sympathize button will appear. The sympathy count will appear same as the count shows up with Like button.

Source: Huffington Post