In the next couple of lectures we will introduce Cloud9 (C9)
C9 is a cloud based development environment that we'll be using to develop applications for the remainder of the course.
Cloud9 has changed the way they do signups since they were acquired by Amazon.
However, as a student of this course, you can still get an invitation for the original Cloud9 by going here.
Additionally, if you would rather setup your local development environment then you can follow these instructions for installing npm, node, and mongodb. Instructions are included for PC (Windows/Linux) and Mac.
If you have any questions please post them as a thread in the Q&A.
If you'd prefer a video explanation of how to sign up for the original c9.io, then see here.
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Thanks,
Ian
Course TA