We do this for a number of reasons.
Primarily, we create accounts for our users in order to log errors and to give us the best chance of solving any issues that may arise.
When you create an account with INK, all we store is your email address and profile picture: that's it.
But, to create an account with INK, you need to sign in through Google or Facebook.
We do this for many reasons, which you can read about here.
We chose to use Google and Facebook accounts because the large majority of people using our product use one or both of these services.
If you don't have a Google or Facebook account, they are easy to set up, particularly Google.
You can even set up a Google account without having to create a Gmail address.
To do this, just go to this URL: accounts.google.com/SignUpWithoutGmail
Then, just fill out the form and verify your email address to get started.
Once you have an account set up with one of these services, just open up INK once more and you should be able to sign in with no issues.
If you are still having issues signing in, please send us a feedback form through the INK app.