But other words come in and out of vogue as well. Often these relate to the area that you work in. At the moment one of the buzz words in language learning is 'literacy'. In educational technology there is a lot of talk about m-learning (mobile learning).
I found a site on trendy vocabulary called Word Spy - and NONE of the words/phrases had I heard before. But I liked these two...
adj. Preoccupied by reading or sending text messages, particularly while driving a car.
n. A student who has poor research skills and lacks the ability to think critically.