Sentence:  It's a Roomba, an artificially intelligent floor-vacuuming 'bot, and this is the year mountains of them rumbled off the shelves not just of <WSD>nerdistans</WSD> like the Sharper Image and Brookstone, but of mainstream players like Costco, Sears and Target. 
Meaning of the word marked with <WSD> tags:  A place that appeals to technophiles.