A new format for bar codes appeared in January, when Microsoft unveiled Tag, a system that USES colour to increase the density of information that can be stored.
今年一月,微软发布了Tag,一种新的条形码格式,它利用各种颜色来增加它所承载的信息密度。
3
Bar graph that compares data size by format: XML and JSON (in raw or compressed state) with protocol buffers.