How would you do that? Show me an example please.
One reason not to it: You get dependent on third party services. Don't be evil 😉
I participate in the http://mangolassi.it community and just noticed that if you hover over the "replied about 18 hours ago" text, you see the actual timestamp. Great little gem. Can it be set to show something more readable though?
Just found this thread and wanted to say thanks for updating the hover text.