Final answer:
To find out people's opinions about product usefulness, you can read online reviews, participate in public opinion surveys, or solicit feedback through product design.
Step-by-step explanation:
To find out people's opinions about how useful a product is, you can rely on various methods:
- Read online reviews: Many people share their evaluations of products or services online, highlighting their strengths and weaknesses. You can consider the criteria used by reviewers and how their experiences align with your own needs.
- Participate in public opinion surveys: These surveys collect diverse opinions on various topics, including product usefulness. Polling groups like Harris Interactive maintain pools of respondents to ensure a reliable picture of public opinion.
- Solicit feedback through product design: When designing a new product, share your design with others and ask for their feedback. Use the feedback to make improvements and better fulfill the intended purpose of the product.