Product Manager Question:

☛ Should I get product management certification?
☛ How soon does a product manager need a product plan?
☛ How can a QA / tester become a product manager?
☛ How can a salesperson become a product manager?
☛ How should a product manager use feedback from industry analysts?
☛ Are there any product road map best practice tools?
☛ How much do you share with beta program participants?