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User Crowd. Earn money giving design feedback. Participate in quick design Surveys, help make products better, and get paid doing it. Usercrowd is a remote user research platform that takes the guessw

Smart Panel. CINT Survey panel ages 13 and older depending upon country as each is different. Smart Opinion is a leading online community where your opinions count. You can take part of paid online Su

Mobi Workx. Teens ages 16 and older to join this market research CINT Panelist Survey panel unless other wise noted. CINT has a mobile app to complete Surveys.

Acurian - Children with Asthma Research. Known to snail mail Clinical Trials. AcurianHealth is your guide for getting connected to clinical research studies.

Sleep Apnea.Complete our questionnaire to be entered into our database of potential trial participants. As a trial participant, you may be able to try the latest Philips Respironics products and prov

Smile Share. Brought to you by My-Take community. Generally these communities are invite only. Each community has different forms of payment and they also change over time.