There are 4 email design trends described: 1) Fashion-editorial inspired emails resemble fashion spreads and break from grids. 2) Wordpress theme inspired emails use prominent grids, full-width headers and dividers. 3) Blog-inspired newsletter style emails are easy to read and resemble blog entries. 4) E-commerce lifestyle store emails make shopping easy via the email and include many product images. The document also provides contact information for Kristine Li, Chief Designer at Petit-o.