What’s the best way to give feedback?

Ben Foster (Currently advising 10+ companies, 16 yrs PM/UX experience, VP Product at Opower, PM at eBay)
What’s the recipe for invention? – PM Rant

No is not a complete answer; a complete answer is, yes, if only we had “fill in the blank”. You’d be amazed how often simply stating what would make things easier can do for relationships, for earning trust, for identifying root issues, and most importantly for driving innovation.