This is Caroline:
and this is Petter:
And here are some photos of their offices:
(check out this sweet nook under the stairs with a secret entrance just for kids!):
How fun is their staff break room?
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Here's a link to the Designing for Children Guide that Petter mentioned.
Here's my list of children's apps for hospitals to recommend to families.
Here's an interview an 8 year old did with the former CEO Bjorn Jeffrey.