* Just in case: Treasury secretly weighs options to avoid default
* On the other hand… House Republicans are not drafting a backup plan
* Morning Call: U.S. futures point higher, London rises early and the Nikkei falls on utilities.
* Marissa Campise: What is Twitter’s potential market size?
* Joseph Sitglitz: It is time to marginalize free-market ideologues
* Adam Ludwin: Your startup isn’t unique, and that doesn’t matter
* Incentive or gift? How employee perceptions of stock options affect performance
* Marissa Mayer: Why there aren’t more girl geeks
* Word of advice: Do not locate your pet store next to a bar
* Revolving door: Top anti-trust attorney returning to private sector
* Steven Davidoff: In Silicon Valley, Skype is not alone when it comes to options
* How much is the Minnesota gov’t shutdown costing? No way to tell, since the office that measures it was shut down.
* Tweet of the day: @chazard Anyone who thinks the facebook – skype tie up on video chat is not an important & big move does not have teenage daughters.
