Not sure why people claim they lost everything, on the bottom of the page it says:
Things to Know
There are no additional charges for this service beyond the underlying compute and storage.
c9.io continues to run for existing users. You can continue to use all the features of c9.io and add new team members if you have a team account. In the future, we will provide tools for easy migration of your c9.io workspaces to AWS Cloud9.
AWS Cloud9 is available in the US West (Oregon), US East (Ohio), US East (N.Virginia), EU (Ireland), and Asia Pacific (Singapore) regions.
I can’t wait to see what you build with AWS Cloud9!
There are no additional charges for this service beyond the underlying compute and storage.
c9.io continues to run for existing users. You can continue to use all the features of c9.io and add new team members if you have a team account. In the future, we will provide tools for easy migration of your c9.io workspaces to AWS Cloud9. AWS Cloud9 is available in the US West (Oregon), US East (Ohio), US East (N.Virginia), EU (Ireland), and Asia Pacific (Singapore) regions. I can’t wait to see what you build with AWS Cloud9!