Today, Twitter launched a personalized search experience to help our users find the most relevant Tweets, images, and videos. To build this product, our infrastructure needed to support two major features: relevance-filtering of search results and the identification of relevant images and photos.
Thursday, May 19, 2011 | By attila szegedi (@AttilaSzegedi) [20:24 UTC]
In March 2011, we shared Kiji, an improved Ruby runtime. The initial performance gains were relatively modest, but laid the foundation for future improvements. We continued the work and now have some excellent results.