Indoor training used to be a necessary evil for anyone looking to get a head start on the next cycling season, clamping your bike into a turbo trainer and thrashing away in front of a screen (if you were lucky).
Just over 10 years ago, indoor riding consisted of blindly riding along with no structure or attempting to follow a vague interval plan where efforts were based on your heart rate of perceived exertion. Power metres were still very much in their infancy and reserved for pros or those with deep pockets.
