I bought the Istanbul section of the Turkey Lonely Planet, and have yet to look at it. I booked a hostel for the first night in the city, and I have no idea how to get there. I know when my flights will be landing; I know when they should be departing.
Communication issues are just an everyday part of travel to countries that don't speak English. There are some moments, some days when you may not want to deal with it. Or, you just might want to be extra, extra, extra sure your meal doesn't come with meat. Whatever it is, you now have a tool that can help you communicate your desires and needs without words!!