I have been designing an E-commerce platform where users will be able to buy Apps from the marketplace. I had thought of placing "My Cart" links in a number of places, such as: Docked widget in ...
I see that it is really popular with web services nowadays to have their phone number in the header of the website. Is it really that effective? Does it make the company look more legit?
What are some good ways to incorporate a 728x90 ad into the header of a site keeping the navigation in mind?