Turkopticon:

Almost half of the Mechanical Turk workers who wrote their Bill of Rights demanded protection from employers who take their work without paying. Turkopticon lets you REPORT and AVOID shady employers. […] Turkopticon adds functionality to Amazon Mechanical Turk as you browse for HITs and review status of work you’ve done

Why do I blog this? Because it’s fascinating to see how the usage of a new service lead to other platforms/features meant to tracks problems on the former. Moreover, it’s also relevant to see how the Amazon ecosystem expands beyond AMZN’s own projects.