Web 2.0 refers to a perceived second generation of web-based communities and hosted services which aim to facilitate creativity, collaboration, and sharing between users.
It describes Marketing 2.0 as
Marketing 2.0 is a natural outgrowth of Web 2.0 as it refers to the transformation of marketing resulting from the network effect of the Internet. It represents a dramatic shift in marketing to account for customers researching and buying goods and services independent of advertising and marketing campaigns and messages.
So taking the above into account, (Market) Research 2.0 could be defined as:
(Market) Research 2.0 refers to the second generation of market research where market information is systematically gathered, recorded and analysed making use of web-based communities and hosted services. Research 2.0 aims at engaging respondents with interview techniques that facilitate creativity, collaboration and sharing of information.
Since the term has not been defined in Wikipedia, I took the opportunity and started the Research 2.0 page. To my dissappointment I noticed that they did not want to accept the term because it was seen as unremarkable neologism.
What you say?