By ERIC MORRISON Cryptic graffiti spray-painted next to a swastika on Juneau's lone synagogue angered and confused many late last month. Police initially labeled the mark "pp4lyf" as "gang-related graffiti," but to some Internet-savvy youth the tag seems less likely to be a sign of the infiltration of organized hatemongers in Juneau than of the proliferation of an increasingly popular type of computer slang known as "leetspeak." Leetspeak, or leet, is a computer communication style in which letters are replaced with numbers and symbols to spell or abbreviate phrases and sentences. Although leet is far from new - it is...