These little jobs are done by people who log on to a company’s site and choose tasks, which could be as simple as clicking a link. Amazon's Mechanical Turk is one of the most well-known sites of this type. Also, there are crowdsourcing projects, which are similar to data entry, where companies engage an army of virtual workers to each do one small part of a larger project.
Are you a great listener? Good! That and solid typing skills are the basic requirements to becoming a transcriptionist online. Generally, you should type at least 60 WPM, and you should be able to type efficiently and accurately. While listening and typing is pretty easy work out of the gate, you will likely have a set of guidelines you need to follow to the letter. But once you get those guidelines down, you can settle in and let your fingers do the talking.
I actually want to reply to David Russell but can’t seem to. David, you should write to the editor of MedicalExpo e-Magazine and propose your journalism services. Take a look at the magazine first (emag.medicalexpo.com) to see what they’ve recently published, get an idea for the kind of info, and pitch a potential story. I know the editor and they pay well.
Attorneys preparing for trial often create a mock jury to get feedback from individuals similar to those who may eventually sit on a jury. Since it can be costly to do in this in person in the community where the trial, cheaper online jurors are the logical alternative. They might listen to audio and view video presentations, or read the material and answer questions.