Facebook profit came in beneath assumptions for the final quarter, and the organization said various difficulties are ahead in the main quarter. Expansion, inventory network interruptions at publicists and clients moving to items that “adapt at lower rates” are among the central questions the organization faces. Income in the primary quarter will be between $27 billion and $29 billion, while examiners were searching for that number to top $30 billion. Shares in Meta, the organization previously known as Facebook, plunged 22% in premarket exchanging Thursday after it baffled financial backers with feeble final quarter income that showed day by day clients succumbing to the initial time of all time. Facebook…