Google +1 button was unveiled at the Google I/O event last month, and was launched earlier this month -- now Google seems to be pushing its +1 button further, as the search giant begin to show the number of +1's sites have received on its search results paegs, regardless of whether or not you're logged in to Google account and which browser you use.
Danny Goodwin, when searching for [Google Maps] noticed a new addition to google search results, an "annotation" indicating "X people +1'd this." In this case, 1,708 people have +1'd Google Maps," Goodwin said. Here's the screenshot:
Goodwin also reports that Jonathan Allen, SEW Director is seeing another version of this while using Chrome on a Mac, which shows "114 people in New York, USA +1'd this":
When signed in to Google account on Firefox, Google's showing which of Allen's social circle connections have +1'd a page:
Here're the screen shot of what other sites Google revealing +1 counts for: