What's The Biggest Repair Your Computer Has Ever Needed?

The other day I went to the Apple Store to pick up my computer and I felt like a celebrity. The person assigned to help me ran over and asked enthusiastically if I was Lily Newman. I nodded and immediately assumed that he recognized my name from Gizmodo and was about to tell me how quippy and brilliant I am. Because that totally happens to me all the time. Instead he produced my laptop, grinned at me, and said, "This laptop had so much wrong with it. It's ridiculous!" Soooo, yeah. My computer ha...