"At the same time, Wari and Tiwanaku kept themselves separate. Although they shared resources, there is little evidence that people from one culture visited the other often, or had friendships across the political lines. Wari homes were furnished with Wari goods; Tiwanaku homes, Tiwanaku goods. Despite living next to each other, people continued to speak their different languages and wear their different clothing and look for inspiration and instruction from their different capitals. The social-science word for such intermingling without intermixing is "interdigitization."