This document provides statistics that could be included in an agency's pitch deck to make it more compelling. Some key stats include: when a brand posts twice daily on Facebook, engagement decreases with 57% fewer likes and 78% fewer comments per post; click-through rates on triggered emails are 119% higher than normal messages; email opens on smartphones and tablets have increased 80% in the last six months; less than 0.5% of Facebook fans engage with the brand they follow in a given week.