In the past decade, some of the sharpest price shocks in food have started not in fields or factories, but on phone screens. A single viral video, a health trend, or a sudden cultural craze can now shift millions of consumption decisions in days, far faster than supply chains can adjust. Prices, incomes, and trade flows still matter, but social media has become a powerful accelerant of demand shocks, especially when supply is structurally slow to respond. Platforms like TikTok and Instagram compress the time between discovery and purchase, turning obscure products into must‑have items before producers can scale up. This creates familiar patterns: empty shelves, grey‑market reselling, and sharp price gaps between source countries and import markets.
This dynamic is visible in products that went from niche to widespread almost overnight. Viral social media traction accelerated demand for matcha, prompting some wholesalers to impose purchase limits, while the shade-grown leaf it is made from takes years to scale. The result was a price spike at the very start of the supply chain. Dubai chocolate followed the same path: a single TikTok video of a bar from the Emirati chocolatier FIX became a global product category within months. The pistachios inside it became the bottleneck. Chocolatiers buying up every kernel they could find left the rest of the world short, and prices rose sharply. In both cases, a shift in online attention reached the farm before producers could adjust. For analysts, the key is to treat online attention as an early‑warning indicator of physical demand, and of who will bear the cost of it.