Pinterest has begun letting users share videos of their favorite boards to other social platforms.That’s due to a new feature called board sharing, designed to court the world’s youngest and most-digitally engaged generation.“Gen Z makes up over 40% of our global monthly users on Pinterest and are our most engaged generation, with a significant increase in the number of boards created by Gen Z Pinners compared to last year,” Rachel Hardy, director of consumer product marketing at Pinterest, said in a Tuesda ...