A sheet of embossed paper including a sheet-like body portion, at least one embossed or depressed line located on the body portion, and at least one printed line located on and extending at least partially along the embossed or depressed line. In another preferred embodiment, the subject invention comprises a system for linking applications and services, comprising: a vendor connectivity component; a business integration component; a security component; a utility component; and a back end connectivity component. There is provided a datastrobe encoding scheme circuit and a datastrobe encoding method, it is possible to implement a datastrobe encoding scheme circuit and a datastrobe encoding method capable of realizing a low-cost datastrobe encoding scheme which is independent of LSI device characteristics and which can be easily designed. For circular microneedles, a useful outer diameter range is from 20\u2013100 microns, and more preferably in the range of 20\u201350 microns.