Be receptive! Be open to each and every type of user input for authentication.
This very user-centric approach for identity resolution leverages the many open API’s now available for web services. Feel free to select your user name-of-choice!
@Twitter user name
user name.wordpress.orgblog URL
- Open ID provider URL
In his identity resolution related post, developer Luis Farzati emphasizes that:
the objective is to allow the user to input whatever wanted [in order] to login… If it exists as a valid username out here, we’ll find it and suggest it!