This article makes illogical conclusions. Here is the primary source: http://www.comscore.com/Press_Events/Press_Releases/2011/1/Web-based_Email_Shows_Signs_of

This article makes illogical conclusions. Here is the primary source: http://www.comscore.com/Press_Events/Press_Releases/2011/1/Web-based_Email_Shows_Signs_of_Decline_in_the_U.S._While_Mobile_Email_Usage_on_the_Rise http://www.comscore.com/Press_Events/Press_Releases/2011/1/W... The chart in the original post has in its title "Web-based e-mail". That chart represents the amount of time spent using web-based e-mail. Not the number of e-mails sent or received on web clients. Not e-mail app usage. And not mobile usage. Mobile e-mail usage amongst teens has gone up 40%. Isn't that a more likely reason for the decline in web-based e-mail that an unquantified Facebook influence?