The infographic points out that unhappy customers can be very bad for business - particularly in the age of online customer reviews and social media. However, the right response to a customer complaint can turn even the most irate of customers into a loyal fan.
Tips for dealing with angry customers effectively include remaining calm, listening carefully, finding a solution and remembering not to take complaints personally.
For more tips on handling online complaints, check out our advice from crisis communications and social media specialist Alan Stevens.
Infographic: How to handle angry customers