"People who write reviews in magazines and web sites aren't your target user. You may get a bad review if your product doesn't meet their qualifications, regardless of whether it would meet those of your users."
Read more about Marketability
This is also the final section of this series. What originally started as a response to a comment on a weblog grew into a twelve part series collecting togther various thoughts I've had over the last couple of years. I'm surprised I actually managed to write a section every day.