HEATKEYS

Trada paid search, crowdsourced by experts. There are no fees to run Google, Yahoo and Bing campaigns in the Trada Marketplace.

Search Engine Land is a must read hub for news and information about search engine marketing, optimization and how search engines such as Google, Yahoo, Microsoft Live.com and Ask.com work for searchers.

Crowdsourcing Crowdfunding & Open Innovation News, CEO insights, exclusive insider info, video interviews, podcasts, community news, crowdsource company directory, and a whole lot more crowdsourcing

A PPC blog dedicated to pay per click advertising, Google Adwords, Yahoo Search Marketing, MSN AdCenter, and other pay per click advertising formats and accounts.

CrowdFlower

The Rimm-Kaufman Group helps retailers increase profits from paid search.

Marketing speakers and best selling authors Bryan and Jeffrey Eisenberg blog about boosting marketing effectiveness

Xconomy offers business and technology news and insights covering information technology, biotech, energy, and other sectors of the innovation economy

The Confluence of Crowdsourcing and Semantic Web

Social Media news blog covering cool new websites and social networks: Facebook, Google, Twitter, MySpace and YouTube. The latest web technology news, via RSS daily.

CrunchBase is the free database of technology companies, people, and investors that anyone can edit.

Crowdsourcing.org is the leading source of crowdsourcing and crowdfunding information, insight and research. Featuring detailed profiles of over 1600 crowdsourcing and crowdfunding sites.