They illustrate her wide-ranging interests (from e-commerce to wireless electricity), as well as her throw weight in Silicon Valley (not everyone gets to co-invest with Andreessen Horowitz or to back Jack Dorsey).
Their ability to throw weight around can mean higher, return-eating fees that can push up costs for investors, even those who never go near a supermarket.
When movie maker Warner Bros. said it would throw its weight behind Sony's format for storing high definition movies, Blu-Ray, Sony executives likely popped a few corks.
Three years ago, he co-signed a letter to the then president, Bill Clinton, calling on him to throw his weight wholeheartedly into an effort to topple Saddam Hussein.