session - Yahoo account remains open after using openID to login.why? -

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i have added openid login yahoo! , google in site. ok , works fine.

when users select example yahoo! login site, logged in in yahoo mail account too.

i think not secure because maybe don't notice issue , leave computer while email account availble.

what think , solution own sites? notice same story stackoverflow.com.

it's typically session cookie, if close browser they'll okay, concern. i'd curious hear yahoo! team has themselves; if nobody y! finds question i'd ask on @ yahoo openid developer forum.


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