Your country: US
Reward types: Cash
Per survey: 3 US$
Cash out: from 3 US$
No. of invites: about 4 surveys in a month
Age to join: from 18 years males only or all Hispanics & Asians
Prize draws: 500 US$ cash prize for each bi-weekly drawing
Comments: Get free products to test at home

Your country: US
Reward types: Sweepstakes for cash only
Number of invites: regularly due to sofware use plus occasional surveys
Age to join: from 18 years
Prize draws: Monthly $ 10,000 cash for 10 winners, stay active on the panel
Comments: This is a Nielsen special panel (world's major market research institute). You need to install software, which permanently tracks what Web-sites you visit - online surveys may be conducted on internet usage accordingly.

Your country: US
Reward types: Cash and sweepstakes
Incentives per survey: 1 to 5 US$
Cash out: from 5 US$
Number of invites: about 16 surveys in a month
Age to join: from 18 years

Your country: US, Canada, UK, Australia, Singapore, Hong Kong, Ireland, New Zealand, South Africa, India and 35 more countries
Reward types: Cash
Incentives per survey: 0.50 to 4 US$
Cash out: from 10 US$
Number of invites: about 30 surveys in a month
Age to join: from 16 years
Comments: Access to our own survey online panel to participate daily in paid surveys, as well as a huge range of other earning opportunities: tasks, micro jobs, apps, discover offers and more