Is democracy always good for creativity?

It has become fashionable for agencies and studios to offer everyone a chance to share their views on projects – but does this make for better creative work? Our advertising correspondent Ben Kay is skeptical

My Happiest Project: Yinka Ilori

Throughout October, we’re looking at the subject of happiness, and asking creatives to tell us about the projects they’ve most enjoyed working on. Here, artist and designer Yinka Ilori reflects on transforming an underpass in Battersea into Happy Street