Navigating the tipping minefield: As Gordon Ramsay slaps diners with an 'optional' 20% charge and coffee shops and gyms demand US-style gratuities, MARK PALMER reveals all

Gordon Ramsay's restaurant has introduced an 'optional' 20% tip charge, sparking controversy, while coffee shops and gyms in the UK are also adopting US-style gratuity demands. Mark Palmer discusses the implications of this shift in tipping practices.