When webapps are better than native ones
Some people dislike native applications for mobile devices, preferring web applications due to their more open nature, (generally) better accessibility, etc. Personally, I'm quite happy to use them, as even the latest-and-greatest HTML5/CSS3/JS functionality doesn't always match up with what can be done in Cocoa Touch et al.
However, if a native app is deficient to its webapp equivalent, then that's just crazy...

The above photo was taken on October 12th 2010, a week or so after Argos - a large UK retailer - started selling the new range of iPod Touches (the ones with the retina display).
... or at least, that's what the Argos website - shown on the left iPod - tells us. The Argos app on the other hand, is still living in the past, failing to show the 4G/retina versions, and instead claiming that the year-old 3G versions are in fact "NEW". It wouldn't surprise me if that highly misleading "NEW" description could lead to some interesting cases involving Trading Standards, should anyone feel so inclined...

Following the links for the older 3G product, both show consistent information. The webapp no longer shows the misleading "NEW" product description.

On the other hand, searching for the 4G device, the webapp claims that its product code is unknown. I'll give you one guess as to where the 4G device shown on the left was purchased - good thing I didn't rely on their webapp to tell me whether it was in stock or not!