I, too, wonder if that's an end-user decision or a designer decision. To wear a garment like a sweater or jacket backward, as a woman, you pretty much have to have not a whole lot going on with the upper frontals. If you do have breasts, the back of the sweater is shapeless and doesn't play things up too well. As a knitter, sweater fit is dependent on a lot of factors. As a clothing wearer, it's dependent on the same things.
Cambridge is a great spot, around MIT in Central and Harvard Squares of course but let me add Inman and Union Squares in Somerville to the list. They are close to Harvard (about a 15min walk) and have a uniquely nouveau grunge Boston feel to them, lots of interesting people and great bars and coffee shops. Lord Hobo's is a cool spot and the Druid is a neat little Irish pub. The Friendly Toast is the best breakfast, it's in Kendall Square. So glad you're coming!