Why we are seeing less cardio equipment in our fitness centres

Remember gym in the early 2000s? It was all about treadmills, bikes, steppers and the occasional rower. No more. 

from
http://www.bodyandsoul.com.au/fitness/workouts/why-we-are-seeing-less-cardio-equipment-in-our-fitness-centres/news-story/1556330d18245997e702e2144afc32ff