You might think the sentiment conveyed by a text message heart emoji would be self-explanatory but new research finds ...

One of the classic hearts, the royal-blue heart emoji is particularly popular for ... When to use: Just as you would with the red heart, feel free to use this to convey any positive emotion ...

“The purple heart emoji usually reflects a less romantically-charged alternative … the blue serves a similar purpose but can also imply a feeling of sadness, or feeling ‘blue’.” The ...