It's decision time. You can either:
You can always get back to this fork in the road by clicking the up arrow at the bottom of a page and selecting your path from the table of contents.
No matter which path you choose now, please remember to come back and follow the other path; it will make your learning more complete.
At this point, could you please email firstname.lastname@example.org and give me some feedback on what you've seen so far? Thanks.