An interesting post just went up on the Twitter Engineering blog. Usually, that blog contains posts that are more interesting to developers working on Twitter’s platform. And this post is that as well, but it also states two much larger things. First, Twitter won’t be using the Cassandra database system to store tweets. Second, Cassandra will be used for Twitter’s realtime analytics product. The...

Cardlytics, which provides solutions for transaction marketing within banking, this morning announced that it has raised $18 million in financing. New investors ITC Holdings and Kinetic Ventures led the round. According to the press release, all of Cardlytics’ previous investors participated, including Canaan Partners, Polaris Venture Partners and Total Technology Ventures. It’s unclear how much...

Online grading platform LearnBoost has raised $975,000 in seed funding from an impressive roster of venture capital firms and angel investors including Bessemer Venture Partners, Charles River Ventures, RRE Ventures, Atlas Ventures, Othman Laraki, Bill Lee, James Hong, Naval Ravikant and Karl Jacob. LearnBoost offers teachers an easy-to-use, web-based gradebook. The startup’s software allows for real time...

The ultimate file manager for root users. Access the whole of android's file system (including the elusive data folder!). Root Explorer v2.10.3 Includes SQLite database viewer, Text Editor, multi-select, zip files, execute scripts, search, re-mount, permissions, bookmarks, email, APK binary XML file viewer.Root Explorer (File Manager) Operates as a standard file manager on unrooted devices. v2.10.3 - Button fix on...

The electric sports car scene is heating up with Porsche‘s confirmation of a new all-electric sports car based on its Boxster. The company is conducting daily tests of three research cars to study battery systems and electric drive components. Porsche President and CEO Michael Macht said in a statement that Porsche will “definitely be offering electric sports cars in the future,” but that the...