Most unsolicited redesigns probably wouldn't work in the real world because the designer doesn't know much about the business's goals, internal stats, resources, internal politics, and other constraints.
But you know, they're still usually a lot of fun to check out. If all they do is entertain a few people and get people thinking, I think they're worth it.
But you know, they're still usually a lot of fun to check out. If all they do is entertain a few people and get people thinking, I think they're worth it.