Bixi, the company that supplied the bicycles and stations for lauded bike sharing services in cities like New York, Chicago, and Montreal, has filed for bankruptcy, facing almost $50 million in debt it cannot pay. At the heart of its troubles is buggy software that has led New York and Chicago to refuse to pay millions of dollars, arguing that the promised upgrades to help track and analyze rides have not been delivered. Montreal already bailed Bixi out once Unfortunately for the citizens of Montreal, that may mean the hot potato comes to rest with them.