Think Vitamin » How to Track Six Key Metrics for Your Web App. awesome article about calculating revenue and costs per user and a super awesome spreadsheet to do all the heavy lifting for you.

Everyone’s Private Driver / UberCab. iphone app that dispatches towncars and you can see where your cab is on the map. then you pay via credit card through the app. only in san francicsco at the moment.

Dropbox – Jobs. yup, that’s an eagle, on a velociraptor, holding an AK-47, on a shark.

Why Free Plans Don’t Work | Software by Rob. nice post about why free accounts basically creates a pile of users you’ll never convert but need to support.

Maker of iPad Cases Wins Shopify Competition (and $100,000) – You’re the Boss Blog – NYTimes.com. very cool.

Homeowners Use Airbnb Room-Renting Site to Pay Mortgage, Dodge Foreclosure – Bloomberg. mentions a couple people who are basically paying their mortgage with airbnb.

Ji Lee: The Transformative Power of Personal Projects :: The 99 Percent. nice talk about how a side project that he just wanted to do for fun helped change his career.

Panic Blog » The Official Panic Basketball Team. that is plain awesome. granted, volunteering to be a inner city basketball coach is even more awesome. via ram.

Fiverr – The place for people to share things they’re willing to do for $5. some random stuff on there.

Running A Software Business On 5 Hours A Week: MicroISV on a Shoestring. lots of advise from a guy who bootstrapped his company (which makes a pretty ugly looking windows app).

Seth Godin: Quieting the Lizard Brain :: Videos :: The 99 Percent. great talk about shipping products.

Jason Calacanis vs. David Heinemeier Hansson on This Week in Startups – (37signals). some great discussion on this show. i was pretty impressed with Calacanis’ questions and comments.

SproutBox – A New Approach To Venture Capital | Home. a hybrid consulting shop slash angel investors.

Corner Office – Mark Pincus – Every Worker Should Be C.E.O. of Something – NYTimes.com. CEO of Zynga talks about management. Some interesting stuff.

Dating site lets women call the shots – Springwise. men can only post profiles if referred. only women can search and they pay to use the site. interesting model.

Stanford’s Entrepreneurship Corner: David Heinemeier Hansson, 37 Signals – Unlearn Your MBA. very entertaining talk. some pretty incendiary language for presenting at a business school.

You’ve Been Yelped – Inc Magazine. about small businesses coming to grips with the power of yelp.

HSBC Business Direct: HSBC Bank Canada. a no fee chequing account for small businesses in Canada. holy crap, i just saw a flying pig!

Why I gave away my company to charity | Derek Sivers. When he sold CDBaby the money went in a trust that will pay him an annual dividend so he can live comfortably and then when he dies they’ll give the money to charity. that’s pretty awesome.

Shopify — Build a Business Contest, Win 100k. the new shop with the most revenue in the first 6 months of the new year wins $100K. not too shabby.