The blue heart emoji first came out in 2010 and was added to Emoji 1.0 in 2015. If you're unsure about how to use a heart emoji, we have this handy guide . When should you use the blue heart emoji?

Either way, it's believed that the heart symbol as we know it today was used by Saint Valentine, a third century Roman saint who is remembered with a celebration on February 14th.

Valentine’s Day is once again upon us. In 2006, Keelin McDonell attempted to track down the origin of the holiday’s heart-symbol to explain how it got its familiar shape. Her article is ...

Once the sole preserve of tacky tourist T-shirts, the heart symbol – as in I ‘heart’ New York – has become the first graphical entry in the Oxford English Dictionary in its 127-year history.