Blockbuster has partnered with Sonic Solutions to offer Video on Demand on a wide variety of consumer electronic devices in an effort to stay competitive with Netflix.The two companies are working with a number of consumer electronic manufacturers, including Sonic's CinemaNow, to expand the ecosystem of interoperable devices offering the Blockbuster service.The devices will include PCs, portable media players, Blu-ray Disc players, set-top boxes, mobile phones and Internet -connected television sets.