R. Munroe. xkcd: Password strength. , 2012. . Publication Date, 2012-07-11 (yyyy-mm-dd) set of characters that is difficult for someone to memorize, or establish a set of complex rules that requires a person to generate . Smart, useful, scary, creepy: perceptions of online behavioral advertising.
30 Jun 2009 Yeah, try being a woman in AFGANISTAN – women r made to where burkas!!!!!!! and they cant even go out . Its creepy. . Put simply, if you don't like the rules that us boys have made for our club, then get out. . [from xkcd].