And the evidence that it's become part of the language is not just because of the noun spam which you might expect to see in the internet context but because it's generated other kinds of linguistic expression as well.
但是,spam被正式纳入英语词汇中并不仅仅是因为你会在上网的时候经常遇见这个词,还因为,这个词衍生出了一系列其它的语言表达。