Man, I use Strava. It's cool...I get it, I understand it...i'm a competitor
Rim brake people will enjoy an awesome weight advantage with real life time differences that can be measured...woohoo.
To be serious for a second though....this entire discussion on weight and how much faster you are going to go because of it is ****ing dumb.
Luddites never give up, even when they are proven wrong. I'm sure some of them belong to the Flat Earth Society.