You have a meeting with a new client. Why would it be a good idea to share anonymized data (such as conversion rate and cost-per-conversion) from some successful clients in the same industry as this client?
To be so convincing that the client has no choice but to buy, because you know he enjoys looking at data
To sound smarter and show the client that you are more knowledgeable than he originally thought you were
To make the meeting last longer, so the client feels even more invested in the solution
To stimulate dialogue with the client so he becomes more excited about your ideas and the potential growth his business could see
Stimulate dialogues with client and try to share share anonymized data from some successful clients in the same industry as this client. This could be conversion rate, number of approx leads and cost-per-conversion. This data will excite your client about your idea and the potential growth his business could see.