Facebook Says 4Q Will Be 'More Difficult'

The transcript discusses Facebook's financial performance, highlighting a challenging fourth quarter with disappointing revenue guidance and increased operating expenses. Despite strong third quarter results driven by user growth and mobile revenue, investor concerns arose due to future expense projections. The acquisition of WhatsApp is seen as a long-term growth opportunity, particularly in international markets, though it currently adds pressure on Facebook's stock. The company faces challenges in monetizing its vast global user base, especially in emerging markets, but long-term growth potential remains promising.

What were the key factors that influenced Facebook's stock performance in the fourth quarter?

How did Facebook's revenue guidance for 2015 compare to market expectations?

What metrics indicate the health of Facebook's business in the third quarter?

What impact did the acquisition of WhatsApp have on Facebook's user growth?

Discuss the challenges Facebook faces in generating revenue from international users.