privacy, or moat building? I don't consider it a breach of privacy for Gmail to index my purchases in order to show me more relevant ads and help provide a free

privacy, or moat building? I don't consider it a breach of privacy for Gmail to index my purchases in order to show me more relevant ads and help provide a free service. And I definitely want to be able to search that index myself, like if I know I bought a product but can't remember from who or when it was, it sure would be nice to be able to search my Gmail for it.