Will link a gmail to their Google ID and link to their reviews and photos. Will also show if that email has been used to register to a website.
What about pastebin?! Well the pastebin search bar has been gone for a while now, but have no fear! Try putting the following into a Google Search... site:pastebin.com "emailaddress@Iwant.search" and bam! See what is returned. Was that page deleted by the admins? Don't for get to check the cached version ;)