From the article: "The LHC hasn't just lost most of its data: it's lost a whopping 99.997% of it. That's right; out of every one million collisions that occurs

From the article: "The LHC hasn't just lost most of its data: it's lost a whopping 99.997% of it. That's right; out of every one million collisions that occurs at the LHC, only about 30 of them have all of their data written down and recorded". This is incredible; I knew they have to discard much data but so far was unaware of the magnitude of the problem. Seems like very interesting technical challenge to tackle.