This is a bit cartoonish I'd say but there's some truth to it. I indeed regularly get onto consulting gig where you find out that the people already had the solution to their problem. In those cases it's very often because communication channels are broken somewhere (team don't feel at liberty to share what they noticed, managers having a hard time to listen, etc.).

Confused about which UI frameworks are used in Windows? Here is the list in chronological order.

Good explanation of what RSS is, where its weaknesses and strengths are.