The woman behind the idea calls it an “ElRey Mark” and it's “somewhere between the deadpan period and the excitable exclamation point.”
The ElRey Mark:
Source: observatory.designobserver.com
"Ellen argues, we need a new punctuation mark that resides in the emotional range between the just-the-facts period and the whoop-to-do excitability of the exclamation point. While the new mark would clearly signal positivity, it would save us from communicating with the unhinged emotionality of a note slipped between junior-high students."
It would ideally be used at the end of emails, for when you're excited, but not ~too~ excited.
Source: observatory.designobserver.com
What do you think? Is this something we need to add into our punctuation repertoire, like the snark, the punctuation mark for sarcasm.
Source: expresident