When you see an angry customer in a store yelling at an employee, you know it’s not good for business. But new research suggests that brands should actually be keeping an eye out for those who don't say a word – in the long run, their anger is likely to be far more damaging.

With over 61% of people reading online reviews before making a purchase decision, it’s even more important than ever to separate the good ones from the bad. But with peer reviews and professional write-ups often having contrasting opinions, who should we trust – and why?

How do you beat skyrocketing retail space rent alongside competition from established chains and luxury brands? For emerging designers, the answer may lie in a Hong Kong-based app. But is encouraging customers to "shop elsewhere" self-destructive?

Are you unhappy with your Happy Meal? Is the lettuce in your Big Mac a bit limp? None of this compares to finding a tooth in your fries. Serious food scares like this have severely dented the reputation of McDonald’s in Japan. Can an app for complaints turn things around?