Dan01 - 1:48 am on Sep 3, 2011 (gmt 0)
Most sites now use a Database to basically pull a page together. Back in the days that I used HTML to create every page, it would have been easy to delete something like the +1 from a specific page.
Now though, with a DB driven site, it is nearly impossible.
On another tread I mentioned I was deleting pages to try to improve my page rank. Every page on the DB portion of the site has +1. It wouldn't have made sense to use no-index or disallow to remove the page from the index, perhaps.