EnglishCentral, Inc., based in Arlington, Massachusetts, makes improving English language skills fun and effective by turning popular web videos into powerful language learning experiences. EnglishCentral users not only watch videos, they speak them and receive instant, personalized pronunciation feedback from proprietary speech technology via its cloud-based system. Its founding investors were Atlas Venture and Google Ventures. Through our partnership with EnglishCentral, Open English makes English learning interactive by using thousands of the most engaging videos on the web, presented with text transcriptions and word definitions for travel, business, and much more. Our partnership has brought in voice recognition tools and hundreds of interactive videos with the goal of optimizing Open English’s fluency guarantee.