Facebook take on to Apple by acquiring Siri Rival Technology.

Facebook said it acquired wit.ai on Monday, without providing a price for the deal. The 18-month old company, based in Palo Alto, California, makes software that can understand spoken words as well as written text phrased in "natural language for internet of things."

This voice recognition software company says “Wit.ai makes it easy for developers to build applications and devices that you can talk to. Our vision is to empower developers with an open and extensible natural language platform. Wit.ai learns human language from every interaction, and leverages the community: what’s learned is shared across developers.”

Facebook, the world's largest internet social network, with 1.3 billion users, is increasingly looking beyond the PCs, tablets and smartphones currently used to access its service. In March, it acquired virtual reality headset maker Oculus VR for $2 billion and later on purchased Whatsapp for whooping $19 Billion.

Siri is an intelligent personal assistant and knowledge navigator which works as an application for Apple Inc.'s iOS. The application uses a natural language user interface to answer questions, make recommendations, and perform actions by delegating requests to a set of Web services