This document provides 10 statistics that could be included in an agency's pitch deck to clients. Some of the key stats are: When a brand posts twice a day on Facebook, those posts only receive 57% of the likes and 78% of the comments of a single daily post. The click-through rate on triggered emails is 119% higher than normal emails. 20% of Facebook users have purchased something after seeing an ad or comment on Facebook. 91% of online adults use social media regularly.