If you are an active twitter person — and who is not these days — you can find out the value of your tweet here.
The sophisticated algorithms of this site appropriately value the tweet. The big tweets earn a premium:
I have been known to tweet on rare occassions. My tweet value is a stunning 17 dollars. My daughter? 65 dollars. And the always insightful little bro? 3 dollars. He has been a bit too quiet of late.