SoZiety is an interesting new company in Europe that takes full advantage of Skype for language learning. It's a simple concept, but very effective. SoZiety keeps a database of users.
Financial Terminology Quiz
This 30 question quiz tests a wide variety of financial terms used when talking about finances, wealth and business in general. Improve your industry specific vocabulary...
Quiz - Differences between British and American English
This quiz on differences between British and American English compares spelling, vocabulary and grammar differences. Each question is repeated twice somewhere in the quiz so that each version is tested.