The twenty-second century comprises the years 2101-2200. This is different from the century known as the twenty-one hundreds, which comprises the years 2100-2199.
... employed to restrict access to eBooks[?]. See the TCPA / Pallidium FAQ maintained by Professor Ross J Anderson on his Web site at www.cl.cam.ac.uk/~rja14/tcpa-faq.html/ for ...