A very good post by Twitter‘s CEO, Evan Williams, with more than 2 years already, on alternative ways he came up to assess ideas. Excerpt:
“Tractability
Question: How difficult will it be to launch a worthwhile version 1.0?
Blogger was highly tractable. Twitter was tractable, but sightly less-so because of the SMS component. Google web search had quite low tractability when they launched it. Vista?: About as low as you can get.”
Read the full article – it’s worth it:
http://evhead.com/2007/12/how-to-evaluate-new-product-idea.asp
