I met Ben Kaufman at TED, when he was working on Kluster. It didn't impress me then and Quirky never really impressed me either. Kluster itself was, well, a cluster* at TED. They didn't really have a good idea or execution, and his team was... well, more interested in taking in the sights than slamming to get the project done (with one exception, but that guy was going to be leaving the company). It felt like an exte…
They told the story of the kid that led that power strip's development through Quirky, and how it paid for his college - but it was easy to see that most customers or contributors or Quirks or whatever they called them would not be making big money by choosing a new product's name or color or whatever.
As everyone else has pointed out, they got halfway to successful with a bunch of products. Their connected products had people excited about them, and many could have turned into legitimate businesses or product lines. But when you're making a new product every week,( 50+ a year) from concept thru development to production, your focus and execution will stray.