Yahoo chief Marissa Mayer has given the boot to her second in command, Henrique de Castro, just a little over a year after pilfering the exec from rival Google.
Bitcoin launches ATMS, quantifying innovation, Marissa Mayer's no telecommuting policy gets vindicated, Latinas take over, marketers can't decide if Facebook ads work, Steve Blank gets fired. This week's notable news and tantalizing tidbits for entrepreneurs.