First off drop the "next 'killer app'" idea. I have as of yet never been killed by a computer application. It is marketing speak for over promise under deliver

First off drop the "next 'killer app'" idea. I have as of yet never been killed by a computer application. It is marketing speak for over promise under deliver. Look at your OSS heros how many of them ever had a "killer app". As far as problems beyond your skills, how do you think you get better skills? Playing it safe isn't the answer.