Get Profile Detail With The Help Of Gravatar E-mail Address .

// With the help of Gravatar email address you can get its Profile Detail like

• Name
• Profile Pic
• FamilyName
• FullName
• Location

 // So no need to take profile detail from user if user have gravatar account. :)

CODE :)
https://github.com/dharmik/Gravatar-ProfileDetails


Helpful Link :) 
https://en.gravatar.com/site/implement/profiles/json/