The economies of Crowdsourcing

“The workforce in the cloud: ‘Talent exchanges’ on the web are starting to transform the world of work” – via the The Economist Reading about $10 flat rate, I wondered –   Will anyone be motivated to offer services at sub-par minimum-wages level? Can that impact the long-term trend in wages? Can such labor-exchanges portals create a long term impact on minimum wages? Will regulators feel the need to step in?