The document discusses the top 5 email trends for 2015, which are: 1) fragmented "big data" and the rise of data suites to consolidate customer data; 2) smarter list building that emphasizes user permission and control; 3) automated and personalized targeting based on customer behavior; 4) increased brand and content marketing over direct selling; and 5) the growing importance of mobile email with optimized content and design for smaller screens.