Such questions have become common among online Taiwanese lately, and what they are referring to are the websites Plurk, Twitter, and Facebook, three services that have exploded in popularity with the rise of "microblogging."
這是近來台灣網友極為流行的問候方式，指的其實就是「Plurk」（噗浪）、「Twitter」（推特）和「Facebook」（臉書）等最近一年爆紅的「微網誌」服務。