We built this 2 years ago and applied to Ycomb with no luck both years. Everyone we have uses it everyday but it's difficult to penetrate the publishing market. Still we work with large marketing firms to offer intelligence services.
Full text searchable http://wordlink.com and http://analytics.wordlink.com
Checkout buzzsumo.com and a free version that we built wordlink.com. It gathers all the news in the world (mostly) then sorts it by its aggregated social activity. Likes shares comments tweets pins upvotes, on facebook twitter linkedin google plus reddit pinterest etc...
It's also a search engine used by marketing companies to analyze the news. Scrapy twisted python crawlers and elasticsearch backend for indexing.
www.wordlink.com gathers all the news in the world and sorts it by how active it is in social media in near real time. We have some partnerships with market and publishing intelligence firms.