Public Opinion Research - Surveys Online
Learning audience feedback, taking charge of audience habits and comfort levels are few positions, which can be gained by working with them. However, there are some factors, in which audience behaviour in web space differs, for example, some people feel more comfortable in web space, therefore their opinion may be more strict, some are unable to form their opinion, if they do not have a direct contact with service / product, which means that interviewed person may give inaccurate answers both in face-to-face and online interviews. Collected survey data will be most accurate only in the environment where they are used. Superficial survey participant selection & group formation will not bring desired results.
Do not waste your resources by addressing "masses". Find and contact those who are knowledgeable / are interested, in other words, people in the corresponding field, residents of certain location, competitor customers etc.