article_snippet.sent: Scroll down for video .
article_snippet.sent: your first, phalanges (in your fingers), palm or just your fingertips could also be used (shown).
article_snippet.sent: So, for example, if something required dual identification then both people could provide dual identification.
article_snippet.sent: There's no news yet on when the feature might be made available to manufacturers, but the team says manufacturers next step is to continue testing.