- 问题详情:Digitaldevicesaregreat,buttheycanalsobeannoyingwhenitcomestowritingordrawing.Mostofthetimeyoumustrelyonyourfingertipstodothetypingordrawingforyou,andwhatyouwantedtowriteordrawmightnotcomeoutthewayyouimagined.Anewpencalled“Phree”,createdbyIs...
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