You can earn by doing tasks and offers.
Try to be active daily. Click on Ads, Clixgrid and do tasks and offers.Firstly install the clixaddon tool bar in your browser. By installing you will get to know about Ads,Tasks and offer invitations.
For the tasks join this below link
Go to this link https://tasks.crowdflower.com/sessions/new
Sign in with your username and email ID and you have done. Start doing tasks with good accuracy. To do tasks you must read the instructions properly and submit your answers correctly. You will get paid instantly. To maintain accuracy is most important. Don't be in a hurry in submitting your answers.
Go to Offers icon and do the surveys. Then complete the dailycheck list bonus. You have to do 5 tasks and 1 Offer or 10 tasks.For standard members you will get 6% bonus and for premium members 16% bonus.
To know more visit the forum regularly. You will understand more.
You can refer this site to your friends or relatives. You can advertise your link in other sites to get direct referrals.
If you have any queries you can post it here.
All the best