Thanks for sharing the journey. What did you do in terms of security for the receptionist? I suspect someone can trick the agent through things like prompt injection.
It's really hard to be a generalist and better than all the specialists at everything. OpenAI wants to focus on the G in AGI, and optimizing for ecommerce is just not that interesting to them, so of course it can't compete with Walmart.
openai has.... I'm not sure but let's say 500m free users, and it's not unreasonable to assume they eventually hit 1b. That is a lot of advertising revenue, which is what powers companies like Google and even smaller companies with only 300m users like Twitter. If ecommerce isn't a major focus for OpenAI then their board members are asleep at the wheel.
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