Edit (Feb. 25th, 2014):
The meta.SO link in Jeremy's answer has been updated to say that the tag thingie is not coming back.
Therefore I officially change this to a feature request.
Is it possible to bring back the functionality of the "tag thingie" and have an accessible place on the page (even as a tooltip, although that is less favorable), where we can see how many questions are tagged with each of the used tags?
When opening a question, there used to be on the right part of the screen, a list of the used tags and their sizes. You can still see this on meta, but not on the main site.
I found this information to be incredibly helpful for several reasons:
It allowed me to see if a new tag was created.
It allowed me to see if the current tags are all popular, and to decide whether or not a retag is needed.
For example, asking a question about ordered fields and using just the ordered-fields tag is probably gonna reduce the exposure of the question, and field-theory might be a reasonable addition; on the other hand group-theory won't be needing abstract-algebra to increase the exposure of the question.
Please bring it back!
Possibly a bug?
It seems to show up on Chromium. But not on Firefox (27.0, Arch Linux 64bit; confirmed by robjohn in the comments 26.0, Mac). This is across the entire SE network, the "tagged" element shows up on meta sites but not on main sites.