in a kiosk vs at a kiosk

Some examples from the web:

• Technically, in a telephone kiosk.
• It was rented from a kiosk in Sang-am district
• It was sent from a prepaid cell phone, purchased from a kiosk in Peoria.
• Take that same good, and perform the service of actually brewing it for a customer, in a corner diner, in a bodega, a kiosk somewhere, you get 50 cents, maybe a buck per cup of coffee.
• So the next night, I drove up in a crane lifted the kiosk, and took all the beer they had.
• I found these at a kiosk.
• You pay at a kiosk before you get on the bus.
• Here below is a kiosk that sells drinks.
• Okay, this place is about as secure as a kiosk at the mall.
• It looks like William splits his time between school, his aunt's house, and working a kiosk at the mall.
• We were at the mall and we stopped at a kiosk, to grab a soda.
• Peter, I was at an outdoor mall today, and there was a kiosk selling little remote control cars.
• < He looks very much like my nephew Peppe, he has a kiosk at Kalsa, he sells frittole sandwiches.
• When I was working during the war at the treasury, I swear... I was so nice to that lady writer who opened a kiosk on Belwederska Street.
• Verizon has scheduled this structure to be torn down... and replaced with a kiosk as of 8 a.m. tomorrow.
• I'm sure there's a kiosk around here that sells it.
• Imagine if I couId open a kiosk on Cristoforo CoIombo st!
• I've got a kiosk, there's always something going on. I've got an open ear for everyone.
• I can't believe you sunk the rest of our money into a kiosk!
• Now, this is a rear-projected drafting table. It's about 36 inches wide and it's equipped with a multi-touch sensor. Normal touch sensors that you see, like on a kiosk or interactive whiteboards, can only register one point of contact at a time.

Some examples from the web:

• I found these at a kiosk.
• You pay at a kiosk before you get on the bus.
• We were at the mall and we stopped at a kiosk, to grab a soda.
• Darrall left this... the night he was killed, at a newspaper kiosk.
• If you accepted a job with these two street minstrels, you must've gotten your degree at a mall kiosk.
• Okay, this place is about as secure as a kiosk at the mall.
• It looks like William splits his time between school, his aunt's house, and working a kiosk at the mall.
• < He looks very much like my nephew Peppe, he has a kiosk at Kalsa, he sells frittole sandwiches.
• That's like legal age to operate your own kiosk at a bazaar.
• Here below is a kiosk that sells drinks.
• It was rented from a kiosk in Sang-am district
• Peter, I was at an outdoor mall today, and there was a kiosk selling little remote control cars.
• When I was working during the war at the treasury, I swear... I was so nice to that lady writer who opened a kiosk on Belwederska Street.
• Verizon has scheduled this structure to be torn down... and replaced with a kiosk as of 8 a.m. tomorrow.
• I'm sure there's a kiosk around here that sells it.
• It was sent from a prepaid cell phone, purchased from a kiosk in Peoria.
• Imagine if I couId open a kiosk on Cristoforo CoIombo st!
• I've got a kiosk, there's always something going on. I've got an open ear for everyone.
• I can't believe you sunk the rest of our money into a kiosk!
• Take that same good, and perform the service of actually brewing it for a customer, in a corner diner, in a bodega, a kiosk somewhere, you get 50 cents, maybe a buck per cup of coffee.