Best of 2015

The blog posts Hacker News loved most in 2015. 113 posts.

Databases & Data
76

YC Stats Winter 2015

Here is what YC looks like in Winter 2015 Number of startups in the W15 batch: 114 Number of companies funded by YC overall: 842 Total market cap of all YC companies: Over $30B Total money raised by YC companies: Over $3B Number of YC companies worth more than $1B: 4 Number of YC companies worth more than $100…

89

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…