It’s all Greek to me! 5 foreign language learning apps

It's a small world -- and getting smaller every day. Becoming fluent in a foreign language can be the catalyst that puts your career on the fast track in this global economy.
That said, it's not always easy to find the time, or the right app, to jumpstart your effort.
These five language learning apps try to make it easy -- and fun -- to get started. All have a selection of languages to choose from, but their approaches to teaching languages differ widely.[ Free download: Mobile management vend