I think that a bad idea becoming a good one is rare and almost like playing the lotto. Though i do agree that pivots rarely have anything to do with the tech involved.

Sidenote: Speaking of ideas, i just checked out yours, MyOnePage, i had a different idea that, strangely enough, i think could work well with it. I'll send you an email in a mo explaining it (didn't find your email add in your profile. Send me a shout at t[at]thesketch.org or reply here) i'll contact you asap. :)