I have not yet put the +1 Google goodness button on my site. But, I think it's definitely worth it. Although there have been rumblings that a + 1 is going to influence SERPS, I wouldn't get too excited as I haven't seen anywhere that says it happens when you are logged out. My advice, let the first movers expend time and resources on figuring out if G + is worth it, then … [Read more...] about +1 Button