Tessier-Ashpool were very interesting in that their name popped up in several of William Gibson's books. Sometimes not even as major players. The name helped to make the reality of the books more cohesive. A minor note in the stories, yet one that smacks of future culture importance is the citizenship of the T-A's constructs. Under the Turing act, an AI can be granted a legal citizenship. One has to wonder if civil rights may come into play for future thinking machines.