Quora! Quora has an immense potential for marketing which brands don't consider. The user engagement for the site is massive!

Robert Welsh definitely! Not slept on by all but definitely has a lot of potential which the audience has not discovered yet! I see him as a future member of the million follower club.

Hmmmm that's a difficult question... personally? My feed varies according to my moods between aesthetic and messy. But my recommendations to brands has always been to not stick to a feed ideology if it doesn't fit their brand personality!