Rosetta Stone Languages. According to rosetta stone's corporate leadership, 50% to 90% of the world's 6,800 languages could become extinct within this century. The software uses images, text, and sound to teach words and grammar by spaced repetition, without translation.
Rosetta stone, on the other hand, offers three different options: Core lessons to build reading, writing, speaking and listening skills in 30 languages; It's fast, easy, and effective!
