Real Signs Your Business Has an Information Bottleneck

Decisions get made on numbers someone privately knows are out of date. A "real" answer to a question requires calling or walking over to someone rather than checking a system. The same figure exists in two places and people have an informal rule about which one to trust.

Any one of these on its own is normal. Several of them together, recurring around the same part of the business, is usually where an information bottleneck actually lives.