Aina, a consumer hardware startup founded by former Ultrahuman executive Apoorv Shankar, has launched an AI-powered ring as it looks to build a new interface for interacting with AI agents. The Bengaluru-based company, which raised $5.5 million in seed funding in July, is betting that wearables could become a more convenient way to access AI services than smartphones.Aina, an AI-powered ring will allow users to interact with AI agents, receive