Sphere lets you make money by using your expert knowledge to advise clients via instant messaging.
It was created by a small team of successful entrepreneurs and is financially backed by a number of well-known technology investors.
Sphere Knowledge is a website where people chat with you (an expert) about certain topics. AND IT IS DIFFERENT FROM SPHERE. The following are proof of payments. 
BIG AMOUNT OF MONEY RIGHT? So how do you sign up? Here are the following steps.
1st step: sign up to this link: https://api.heysphere.com/api/auth/signupAndRedirectToMyTopics
2nd step: Click profile on the upper left and fill the necessary info. ALL info should be genuine.
3rd step: Add topics on the dashboard. (Please add topics that you only know or familiar about.)
4th step: Go Back to your profile and edit your payment info.
Lastly: Go to the answer and wait for people to chat you.
Comment on my blog for questions. :)
good suggestion
You should try it.
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is it free?