"This concept of throwing away bits you don't need to save space is called lossy compression." What a terrible introduction of lossy compression. This would me

"This concept of throwing away bits you don't need to save space is called lossy compression." What a terrible introduction of lossy compression. This would mean that if I empty the thrash bin on my desktop, it's lossy compression. The concept of going through all compression ideas that are used is pretty neat though.