Interesting idea... Sounds more like an idea for 3rd party plugin though, but might be a cool social interaction tool.
As for own acronym - I wish we could :( We're under the curse of software development as opposed to site development. We have to make it clear, translatable, unbranded.
As for own acronym - I wish we could :( We're under the curse of software development as opposed to site development. We have to make it clear, translatable, unbranded.