It takes a long time to learn since it's a pretty big divergence from the conventional design. It only has 42 keys, but with the fn layer (activated with the thumb rather than an awkward pinky reach you normally see on laptops) you can still hit all the keys you need. The other upside is apart from being much smaller it also means your fingers never have very far to reach, so it's also more comfortable.
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It takes a long time to learn since it's a pretty big divergence from the conventional design. It only has 42 keys, but with the fn layer (activated with the thumb rather than an awkward pinky reach you normally see on laptops) you can still hit all the keys you need. The other upside is apart from being much smaller it also means your fingers never have very far to reach, so it's also more comfortable.