'Slate' Article About Interjections Is Kind Of Meh

It's not that e-mail, blogs, IM-ing, message boards, and texting have spawned a litter of brand-new interjections... Rather, they have given lots of marginal ones, like awwa, a spelled-out form and thus a major shot in the arm.
Um, duh.

How the Internet is Saving the Interjection [Slate]