After you have created your accounts on the different platforms you can start to contribute on the following links:
Click links below …
Skillmaker Facebook
You will need to create a Facebook profile. Then you will need to wait to receive an invitation to Join this group.
Quora questions
You will need to create a Quora profile to be able to contribute your knowledge.
Please review the START UP Courses below if you need to create profiles.
Starting Courses
GMail Setup
GMail Setup INDPA