Our application, at this point, has a couple of issues. Let's imagine a user, Bob, who lives in Seattle. Bob visits our site and sees the defaults for BBC, London, and conversion of GBP to USD. Bob wants to see the weather for Seattle, so he types Seattle into the Weather search bar and hits Enter. He glances at the returned weather and feels pretty depressed that it's cold and raining as usual, so he looks away from the weather further down the page and sees the BBC headlines. He would prefer CNN headlines, so he selects this publication from the drop-down menu and hits Submit. He reads through a couple of headlines before realizing that current affairs are even duller and more depressing than the weather. So, his eyes move back to the top of the page again to cheer himself up. He's confused; since changing his publication preference, the weather has defaulted back to London, where the weather is even worse! He closes our application and doesn...