I've never had such a sudden swing in opinion about a product. Previously, I can remember real panic in seeing your logo pop up: this was about to be a waste of

I've never had such a sudden swing in opinion about a product. Previously, I can remember real panic in seeing your logo pop up: this was about to be a waste of 20 seconds of browsing. Now I'm reading PDFs on my iPad in an experience that very nearly beats some of the native apps. You guys listened, pulled a herculean engineering job, and absolutely hit aces. 1 day into it I can't say how I'll use your site, but I'm now excited to find out. Fantastic job!