The generation we belong to plays a huge role in the formation of our identity. I (Joe) have a colleague and good friend who was born in the same year as me. While I see myself as an early millennial (Generation Y), he feels more of an affinity to Generation X. We could both just call ourselves Xennials, a handy portmanteau word used to describe those on the cusp of Gen X and Y, but we find it more fun to take sides...