$1m Ideas: Niche Social Media & Retiring "Wooooo"

I.
I was writing an email earlier and started describing this novel I'm listening to on the CD, when it occurred to me that I should just put my impressions on Goodreads, where my correspondent would still see them, and I wouldn't have to go to the trouble of re-keying my opinion every time I wanted to tell it to someone. It then occurred to me: why not continue the fragmentation of subject-specific social media sites to the point of utter absurdity? For instance (and I'm sure these URLs are already taken, but obviously for the wrong reasons):

If you want to…	then visit…	and…
tell someone what you’re doing	twitter.com	update your status for your followers.
recommend a moving book	goodreads.com	apply five stars to your latest read.
seek sympathy during your kids’ illnesses	snottovoce.com	update the phlegm volume monitor and color chart.
describe an argument with your S.O.	bicker.net	create a graph of how many times that jerk said "you're pronouncing it wrong."
proclaim allegience to your local professional sports franchise	fansonly.com	log in to your home field and place a fanpoints wager on the big game.
discuss the way you feel when you see your child succeed at something new	boasteez.com	use the big hammer to hit the pride bell, which causes ring.wav to launch on your followers’ pages.
let your professional connections know about your latest project	linkedin.com	complete the “What are you working on?” field.
note that you’ve found a weird bruise on your leg, but can’t remember bumping it on anything	contusia.org	build-a-bruise™ using a color palette in yellows, purples and browns while your friends rate your injury with up to five(!) ice-packs.
extend this joke any farther	the comments link	do it there.

II.
Can we please stop screeching "Woooooo?" It's embarrassing. I recommend that "Woooo" be replaced with a simple humming sound. How majestic that would be as it swelled over the crowd at the parade, sports event, or concert.

How old I must be.


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