Feedback can come from a variety of internal and external sources that offer different perspectives, opinions, and experiences. Customers or users are the most important source of feedback, as they use or benefit from your products or services. You can collect feedback from them through surveys, interviews, reviews, ratings, testimonials, or user testing. Team members also have valuable insights since they work on your products or services. You can collect feedback from them through meetings, brainstorming, retrospectives, or peer reviews. Mentors or advisors who have more experience in your field or industry can provide feedback through coaching, mentoring, or consulting sessions. Additionally, investors or partners who have a stake in your success can support you with resources, connections, or advice. You can collect feedback from them through pitches, reports, or meetings.