IPhone users.what does +1 This Page mean when viewing a website?

I've never noticed this option before, but when I had GoogleSearch open, I can click the icon on the bottom of the screen that says "Open In Safari", "+1 This Page", or "Share Via Email".So what is the significance of "+1" a webpage? How does it help?

+1 this page… Refers to Google+… It means youtr like this website/webpage…

Google will then remember this info and share it with everyone on your Google+ accounts, by default… Or facebook and twitter (if you want to activate those options)…

if you don't have a Google+ account, and don't want FB or Twitter involved… Then +1 means diddly squat to you… Lmfao!

just another way iphone are… Well… Copy-catting Androids… Just saying… Walks away whistling.