I also like playing Zynga's Words With Friends and Hanging With Friends, both are interactive and based on Scrabble.
I've joined the bandwagon of Plants Versus Zombies, Angry Birds and Tilt To Live. So anyway, Facebook games are the new bandwagon but I never really put an effort to join since I'm already spending too much time online. Then a friend asked me to play "Empires & Allies" for research purposes. So since my vacation plan for the long weekend was cancelled, I decided to give it a try (I don't really have a choice).
The main purpose of the game is to build your own empire and defend it. You need to maintain the population, create a government, industries and military. You can add your Facebook friends as neighbors who help you out or they can be your enemies who try to invade your empire! I found myself playing every time I can and time really fly when you're having fun! I forgot about the movies that I was supposed to watch. Whew, I got hooked! A good proof for that is I managed to reach level 13 in 3 days.
The Empires and Allies experience is a good inspiration and hopefully this research can help me in my task ;) Now, I just need to delete this app because I want my life back. LOL.