Wikipedia
UrbanSitter
UrbanSitter is a San Francisco-based online service and mobile app that allows parents to search for, book, pay, review, and recommend babysitters and nannies. UrbanSitter integrates with Facebook Connect and an internal database, allowing parents to view babysitters hired and reviewed by their Facebook friends and parents from children's schools, sports teams, and local parenting organizations. The company's online booking technology lets parents search for babysitters by specific time and date and schedule a booking. Alternatively, parents can post a job to a virtual job board. To date the company has raised a total of $22.75 million in venture funding.