Discuss log in & sign up strategy

[MRSalomao]

In order for the system to be attractive to new users, creating a new video in our platform should be as simple as possible - requiring no setup at all, like creating a new account.

We could achieve this by only requiring users to sign up or log in after they try to save the video they just created.

In addition, users should not loose their work when leaving the video page to log in or sign up. And they should be able to recover their work, even if their browser crashes, or if they experience a blackout, or something along those lines.

Firebase Authentication offers two available log in & sign up strategies:

1. Redirect, where users must leave their current page to log in or sign up, and are redirected back once they are done;
2. Popup, where users are able to log in and sign up using a popup window.

The popup method may sound like a viable solution to prevent users from leaving the video page to sign up or log in, however the popup will get blocked by popup blockers, adding extra complexity to the process (some users might even fail to realize that the popup was blocked, or might not know how to unblock it).

A good, all-encompassing solution to this problem might be using Firebase Authentication's Anonymous user type to create an anonymous session and use it to store offline data, as a video is created or edited.

Again, the two main UX goals here are to make sure that:
A) Creating a new video is effortless
B) Users never get frustrated because of lost work