Companies using Ruby

People always said Ruby is dead, but there are quite a few companies are (partly / fully) using:

18F
Airbnb
AngelList
Apple
Artsy
Authy
AWAY
Basecamp Why
Calendly
Chatterbug
Codecademy
Cookpad
Coinbase
DEV
Discourse
DoorDash
Dribbble
Elastic
Etsy
Fastly
Flexport
Gumroad
Goodreads
GOV.UK
Harvest
Heroku
Hulu
Instacart
Kickstarter
Mojosass
Netflix
Netlify
GitHub
GitLab
Gusto
Pinterest
Product Hunt
RedHat
Soundcloud
Shopify
Speee
Square
Strava
Stripe Why
Zendesk
ZEUS

Ruby Companies in China, Singapore, and Taiwan.

Many people using it does not mean you should or it‘s the best choice.