Social networking news site Mashable and Yahoo! Search have extended the deadline for the BOSS Mashable Challenge. This contest, now running through October 5th, will award prizes to developers who create the best mashups with the Yahoo BOSS API. As many readers will recall from our earlier coverage on BOSS, the BOSS (Build Your Own Search Service) platform lets developers build their own full-blown custom search applications on Yahoo’s index of the Internet, the same infrastructure that underlies Yahoo Search.
