What is 4G LTE what does it mean, is it fast?

What is 4G LTE and why do I want it. Maybe you don’t see yourself using the web on your phone?You could use applications that will use data and will work better if you have a faster data connection. Skype can be installed on Android phones and Apple IPhones to save money on International long. New cell phone have 2 cameras one for video calling the other for video and pictures. Voice to text control to send text messages just by talking.There are many interactive games that you can play with your cell phone. New blue ray Movies allow you to download a copy