They are for Pinterest. They want workers to identify search terms and whether they match the pictures shown. Some of them say you need a Pinterest account. Pretty easy and quick. Batch goes quickly. If you get too many wrong, they will block you from doing that batch.
More rewarding than it appears. Title: Study on decision-making(~ 20 minutes) | PANDA Requester: BSHbdbn [A23SNCIJUVP41F] (Contact) (TO): [Pay: 3.50] [Fair: 5.00] [Comm: 5.00] [Fast: 4.83] Description: You will be asked to complete two tasks and answer to some questions. Bonus opportunities Time: 40 minutes HITs Available: 1 Reward: $1.00 Qualifications: Exc: [59903-59314] has not been granted; Total approved HITs is not less than 100; HIT approval rate (%) is not less than 80; Location is one of: US;