While the back doors are real, they were probably intended for legitimate debugging purposes and are a common (if lazy) practice. Exploiting them usually requires physical possession of the device — and if somebody malicious has your device, you have bigger security issues.
Not only are non-PC computing devices like phones and tablets dramatically outselling tradtional PCs, all the innovation is coming from those devices as well — in fact, both Apple and Microsoft are in the process of adapting their desktop operating systems to work more like their mobile ones.
Answer: pretty damn great. Microsoft should hire whoever did this and drop everything to get this done.
An interesting look at a web-scale design challenge; how he approaches the problem is almost as interesting as his actual solution.
Basically, consumers keep thinking the white cans are diet coke. This prevents regular Coke drinkers from buying, and annoys Diet Coke drinkers who accidentally buy the wrong thing. I’ve run into this myself; these can are super confusing. Now Coke has pulled the plug on the design, two months early.