Chitika: Apple’s North American tablet traffic share holds near 80% by Philip Elmer-DeWitt @FortuneMagazine January 27, 2014, 4:38 PM EDT E-mail Tweet Facebook Google Plus Linkedin Share icons FORTUNE — You could write a headline from the data Chitika released today that drew attention to the dip in Apple’s AAPL share of North American tablet traffic, from 81% a year ago to 78.2% today. Or you could focus on Samsung’s 56% increase. Or on how Microsoft’s MSFT Surface tablets more than quadrupled their share year over year. But given that Apple’s competitors have lived in the shadow of the iPad in every tablet usage bar chart Chitika has posted — even the one in January 2013 that showed a post-Christmas dip — what would be the point? LINK: First Quarter 2014 Tablet Update.