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**ACM Classification Keywords**  H.5.2 [Information interfaces and presentation]: User   Interfaces: Input Devices and Strategies.  diff --git a/layout.md b/layout.md  index 7a66d85..8ecb416 100644  --- a/layout.md  +++ b/layout.md 
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abstract.md  ACM Classification Keywords.md  introduction.md  Related Work.md  Details.md