Think before you click is something we all need to remember, and it's something that is often forgotten when it comes to leaving a bad review of an experience or place.
It is easily done, often in the heat of the moment and usually when you're really annoyed at whatever has happened.
But it can backfire, as one man has discovered. He's facing prison time in Thailand after leaving a negative review of a hotel in Thailand.
The American left a negative review of The Sea View Resort on popular site, Tripadvisor which the hotel maintain are 'unfair' and cause damage to their reputation. In a number of reviews posted over a few weeks, the tourist claimed that the hotel staff were 'unfriendly' and didn't want customers there and in one, which was removed by Tripadvisor themselves, make a connection to modern-day slavery.
Jessica Maciel is a Today FM presenter but also a small business owner and she spoke to Dermot and Dave about the damage that a 'one-star' review can have on a small business.