How to claim free coffee at Costa, Starbucks, Greggs and more this week

Want a free drink? Of course you do. (Picture: Getty)Many of us like to start the day off right by enjoying a caffeinated beverage.For some, this will mean a trip to their favourite coffee shop on the way to work, and the only thing that could make the whole experience better is if their drink was free.And this can be a reality for hundreds of people this week, as 600 free coffees are being given away on Tuesday, October 1, to celebrate International Coffee Day.To mark the occasion, coffee