A woman uses a new touchscreen BlackBerry Z10 smartphone.(Photo: Lefteris Pitarakis)

Think having physical buttons on your smartphone isn’t a big deal? Ask any longtime supporter of BlackBerry.

With Friday’s launch of the Z10 on for AT&T (and Verizon and T-Mobile next week), the smartphone manufacturer marks a major shift in design, swapping its signature keyboard for a full touch-screen.

For some current BlackBerry owners such as Stacey Sanner of Seattle, the lack of buttons is a deal-breaker. “If I’m gonna go buttonless, I might as well go iPhone,” says Sanner, who works as a writer and photographer. “I use a Mac and an iPad so it’s time they all talked to each other! This way I can sync contacts and calendar, things people have been doing for years.”

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BlackBerry CEO Aims at Samsung and Apple with the Launch of BlackBerry Z10 (ABC News)

10 BlackBerry 10 Tips for the Z10 (Wired (blog))

Review: BlackBerry Z10 delivers, but doesn't stand out [Video] (Los Angeles Times)

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