Share your customer reviews with others to promote good and reliable companies and discard those who should not be on the market.
Add your customer reports on public transport.
Make others aware of unacceptable treatment you received from health service providers, be it private or public or local government or council departments.
Have you ever became a victim of a chargeback procedures? If you a merchant or an online seller share who should rather stay away from shopping with you again.
Review night clubs you have or have not had a good time in. Post a comment on good food spots, restaurants, cafes, etc.
Customer complaints are a powerful tool and ususally result in a response. This can only work miracles if used by the customer service managers in order to improve the services provided.
If you an ebay user and want to let others know what happened to any transaction of yours post your extensive story with all details of the transaction. Eliminate untrustworthy ebay merchants by stating your point.
Allow your complaint or compliment to be widely visible to other customers and remember it all helps to make a right decision on whom to choose to deal with.
Help up fight dishonesty and lack of customer service by posting your opinion about suppliers, service providers and companies.
Fight with unfair parking charges or public services provided by councils, management companies, estate agents, etc.