How do I view emoji in Google Chrome on OS X (prior to 10.7)?
Solution 1:
If they are using real Unicode emoji, you cannot see them without the Apple Color Emoji font, which only works in 10.7, or possibly by downloading and installing a black/white font that has them, like Symbola or Quivira.
Unicode emoji were only standardized in October of 2010 and I think there are various apps which may not recognize them anyway. Here is Timothy's test using the Symbola font in 10.6