If you look at the text message screen in Messages, for example, you’ll see an icon that might not be familiar to you — something that looks like a heart. So what exactly does the heart icon ...

The St. Valentine heart is one of the most well-known symbols in the world. But why does it looks so different than a real heart?

Twitter's "favorite" button just got a makeover. The company announced Tuesday that it is switching out the "star" icon for a "heart," which will signify a "like" rather than a "favorite." The ...