The hardest task as a product manager is the guessing game. Basically, we have to guess what users want or need. If you’re in the B2B industry and you want to think about your next step, all you have to do is ask your business users what they need. Add some development estimation to the mix, and you have yourself a roadmap. However, in the B2C industry, and especially in the mobile apps industry, you can’t really do that. First of…