Rsearch is a key to successful market entry.
Many investors goto family and friends for feedback.
This is a marginal source of research information, but is often better than nothing and can be surprisingly good in some cases. However, other research is necessary. This stage of market research could include some sophisticated methods such as focus groups. This is where you ask a small group of people for their thoughts on a product under the guidance of a moderator. In some cases, competing products would be used to gain insights.