On the heels of the report that Apple purchased chip maker Intrinsity, Apple appears to have made another purchase: Siri, a personal assistant for the iPhone.

According to a pre-merger notification released by the Federal Trade Commission, and first noticed by Robert Scoble, the transaction will not be held up by any antitrust reviews.

The deal was likely small from Apple's perspectiveSiri is a small startup that has raised $24 million in fundingUpdate: Siri board member Gary Morganthaler confirmed the transaction Siri brings a conversational interface to the iPhone which allows you to ask it to perform tasks for you such as find a French restaurant nearby and book a table, look up movie listings, order a taxi, or look up the phone number and address of a local business.You can read our full review of the app here. .