Searching the Google Plus about pages returns about 8.88M users currently: http://www.google.com/search?hl=en&biw=1366&bih=653&q=inurl%3Aplus.google.com%2F*abo

Searching the Google Plus about pages returns about 8.88M users currently: http://www.google.com/search?hl=en&biw=1366&bih=653&q=inurl%3Aplus.google.com%2F*about+site%3Aplus.google.com&aq=f&aqi=&aql=&oq= http://www.google.com/search?hl=en&biw=1366&bih=653&...