While Twitter's (NYSE:TWTR) IPO seemed like smooth sailing compared to last year's Facebook (NASDAQ:FB) debacle, Facebook's IPO was actually a bigger success. In this story from Investor Beat, Motley Fool analysts Morgan Housel and David Hanson explain why Twitter should be slightly ticked off with underwriter Goldman Sachs (NYSE:GS). They also share which IPO from the class of 2013 is the best long-term buy for investors.

Alison Southwick has no position in any stocks mentioned. David Hanson owns shares of Goldman Sachs and Facebook. Fool contributor Morgan Housel has no position in any stocks mentioned. The Motley Fool recommends Facebook and Goldman Sachs. 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.