If you ever feel like trying your hand at it, clickworker.com is a site where you can register and get access to UHRS, were most of these jobs are around. Source: 11 months ago

At your request, we have deleted your account on clickworker.com. After a waiting period of 40 days, your data will be permanently deleted or made anonymous. We will only keep the data required by law (e.g. invoices). Source: over 1 year ago

I had my account temporarily suspended a couple weeks ago. "Routine security checks found that you have simultaneously used several accounts on clickworker.com." Of course this is ludicrous as I just have the one. When I responded to the email, which came in the middle of the night, it said the ticket had already been closed because I hadn't responded. So, I opened up another ticket to dispute the bogus claim... Source: over 1 year ago

Edit: site is not down any more. Please go to clickworker.com and sign in. Update your bookmarks to the new dashboard URL. Thanks for pointing this out /u/randir14. Source: about 2 years ago

Clickworker (Signup Link): Clickworker has several data collection opportunities from time to time, though they are very infrequent. You are paid 30 days after the approval of your submission. Source: over 2 years ago

I spent about 10 months churning out written articles that I either sold through constant-content.com or posting myself to ad revenue sites (via hubpages) in 2015 and creating print on demand designs that people could order. It earned a few hundred dollars during holiday months, and then tapered off every year. Now, my articles are "evergreen" enough that after ten years and no new content, they still send me... Source: over 1 year ago