The total solar eclipse of 2026 has drawn crowds across Greenland, Iceland, and northern Spain, with people donning special glasses and craning their necks to catch a glimpse of the rare phenomenon. It's a harmless, awe-inspiring moment of unity under the sun—or so it seems. But what if that moment of wonder is actually a data point? Your phone's GPS, the telescope's smart camera, and even your social media check-ins create a digital trail of exactly where and when you watched. News outlets have reported that telecoms are collaborating with 'weather analytics firms' to map eclipse-viewing hotspots. The question is: who else is buying that data? Imagine the consequences: health insurers, already using Fitbit data to adjust premiums, now add 'solar eclipse exposure' to their risk models. Did you look at the sun without certified glasses? That's a red flag for potential retinal damage. A quick check of your geolocation history against eclipse timestamps could trigger a premium hike. Meanwhile, ad agencies sell targeted ads for eye drops and laser surgery to anyone who lingered too long outdoors. And if you posted a blurry photo of the eclipse? That's a 'risky behavior' score increase. So, as you gaze at the sky, ask yourself: who is gazing back at you?