Best of 2015

The blog posts Hacker News loved most in 2015. 3,426 posts.

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2833

Perceptual Image Compression at Flickr

At Flickr our users really care about image quality. They also care a lot about how responsive our apps are. Addressing both of these concerns simultaneously is challenging; higher quality images have larger file sizes and are slower to transfer. Slow transfers are especially noticeable on mobile devices. Flickr had…

2834

Losing 80% of mobile users is normal

Exclusive data on retention curves for mobile apps In a recent essay covering the Next Feature Fallacy , I explained why shipping “just one more feature” doesn’t fix your product. The root cause is that the average app has pretty bad retention metrics . Today, I’m excited to share some real numbers on mobile…

2839

Start Using Landsat on AWS

My colleague Jed Sundwall wrote the guest post below to show you how one of the newest AWS Public Data Sets is being put to use. — Jeff; You can now access over 85,000 Landsat 8 scenes through our newest Public Data Set: Landsat on AWS. The scenes are all available in the landsat-pds bucket […]