accessible authentication SC understanding section, v1

Hi All,

See attachment for my accessible authentication SC understanding section, v.1

John

John Rochford<http://bit.ly/profile-rj>
UMass Medical School/E.K. Shriver Center
Director, INDEX Program
Instructor, Family Medicine & Community Health
www.DisabilityInfo.org
Twitter: @ClearHelper<https://twitter.com/clearhelper>

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