January 19 - the Unix epoch completes itself as the number of seconds since January 1, 1970 overflows the maximal value that can be stored in 32 bits as a signed integer. Unless reprogrammed, 32 bit computers will malfunction and many Java and JavaScript programs will stop working.
April 25 - Easter occurs on its latest possible date. The previous time this occurred was in 1943
... Serial copy management system[?] (SCMS)
Macrovision
iTunes
Windows media player[?]
DRM and document restriction technology
Opponents of DRM have noted that the ...