While software keyboards continue to improve and speech recognition becomes a more viable option where it does not create social stigma, text input remains a key challenge for mobile devices. Larger tablets -- generally 8 inches and larger -- can accommodate a keyboard tucked away in a folio carrying case or attached as a cover or, as seems the trend with Windows tablets, embedded into a case.
For smaller tablets or smartphones, though, carrying a touch-typable keyboard around can mean yet another bulky thing to pack. The challenge even predates the rise of smartphones. In the heyday of PDAs like … Read more