Forrester Research

Those irritating fees aren't going away, but over the next few years, some of them will be attached to new a la carte services that travelers may be happier to pay for. Think personal concierge services, intercity rail ticket sales -- and even in-flight spa treatments.

Macy's (M) CEO Terry Lundgren says every dollar of online sales influences almost $6 of sales inside the retailer's stores. According to Lundgren, many shoppers first see an item online and want to look at it in person before making a purchase. For example, a customer may see a piece of clothing...