Facebook's (NASDAQ:FB) second-quarter revenue and profits came in much higher than Wall Street analysts were expecting, and shares had their biggest one-day gain ever. Mobile advertising now makes up 41% of Facebook's ad revenue. In the lead story on Investor Beat, Motley Fool analysts Jason Moser and David Hanson examine Facebook's historic day, the "next big thing" from the social network, and what it all means for investors.


Chris Hill has no position in any stocks mentioned. David Hanson has no position in any stocks mentioned. Jason Moser has no position in any stocks mentioned. The Motley Fool recommends Facebook. The Motley Fool owns shares of Facebook. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.