On Feb. 1, a few hours after Facebook declared its intention to raise $5 billion in what will likely be the largest initial public offering in tech history, Mark Zuckerberg gave close followers of his company a potential clue to its future. On his Facebook profile, he uploaded a photograph of his desk and a large sign that read in big red letters, “Stay focused & keep shipping.” Yet it was the adjacent MacBook laptop in the image that drew the most attention. Visible on the computer’s screen was a blurry image of a Facebook page and, at the top, what seemed to be an unusually elongated white box. Web pundits speculated the image showed a prototype of a new Facebook search engine.
Full Story: Facebook Delves Deeper Into Search