Recently we built a small product for comparing supermarket prices. The idea was simple: you search for a product and immediately see where it's cheaper, or if there's a current discount. It felt like an obviously useful thing to build. We built it inside Telegram, since it's already huge in our region. No additional apps or links to minimize friction. The UI flow was straightforward: search --> check price --> comparison and discounts, --> similar products. We also added smart...