We're hearing news that former Palm chief Jon Rubinstein has decided to leave Hewlett Packard. According to AllThingsD, it comes at the end of his 24-month commitment period to remain at the company after its disastrous acquisition of Palm. HP's Mylene Mangalidan is reported to say that "Jon has fulfilled his commitment and we wish him well." DevelopingJon Rubinstein leaves Hewlett Packard originally appeared on Engadget on Fri, 27 Jan 2012 11:56:00 EDT. Please see our