Share on Google Plus is a Chrome browser extension that allows you to share any webpage on your Google Plus profile. You have to select the "Share on Google " field to start sharing the web page. You DON'T need to publicly 1 the page to Share it on Google Plus (though it says 'You publicly 1'd', you actually don't).
The WOT add-on is a crowd-sourced enhancement to your browser protection
It is a browser add-on which lets you search via your favorite search engine
