Earlier this month, Twitter co-founder Biz Stone unveiled his mysterious startup Jelly. The question-and-answer app was met with a mix of criticism and head scratching. Tech-watchers asked if the world really needed another Q&A service. Skeptics questioned how it would compete with existing solutions and pointed to the rocky history of previous products like Mahalo Answers, Formspring, and Aardvark.
What really motivates users
