Are you going to change the world? (Really?)

[With apologies for my long-windedness] This question was inspired by the post regarding the CMU Professor (Pausch) that is dying of cancer and is facing death with an amazingly positive attitude. Specifically, there was a thread started by jaed: "It's sad that we have to be reminded of it, but this just reaffirms that the little bubble world of YC, TechCrunch, and Web 2.Oh really don't mean a whole lot in the grand scheme of life. This guy wouldn't trade some extra time with his family for all the startups and VC cash in the world. It just puts things into perspective." I agree with jaed. I also agree with neilc, who thinks that the "YC philosophy" is consistent with the positive message of the article. SO MY QUESTION IS THIS: Is making an AJAXified tool or toy that will likely be used by less than 1% of the people in the richest country in the world the absolute best use of your time and talents right now? Honestly? This is not a rhetorical question, nor is it intended to cast judgme