Lessons Learned by Eric Ries Tuesday, December 16, 2008 Engagement loops: beyond viral Theres a great and growing corpus of writing about viral loops, the step-by-step optimizations you can use to encourage maximum growth of online products by having customers invite each other to join. This is essentially a version of the viral loop. MORE >>

Unless you can afford to buy users, you’ll have to grow virally. Below are 9 ways your start-up can grow virally: Get Your Users to Spread the Word. While this isn’t traditionally thought of as a viral growth strategy, it’s very important. Get users to tell others about your app simply by using it. Tumblr.  MORE >>

Here's a look at 10 of the year's craziest PR stunts. Here are the most memorable PR stunts from 2011 — for better or worse. The photo went viral, capturing headlines on CNN and Fox. Is it really true that all press is good press? Done well, publicity stunts can generate huge positive buzz for you and your company. link]. MORE >>

Want to go viral? Forget traditional PR in favor of a social media-savvy firm (or some creative college students) that can create an irreverent video hit that translates into sales. The Result: The video was an instant viral hit, garnering 1.5 The YouTube/BYU Connection Looking to go viral? series on YouTube. MORE >>

Take Control Of Your Publicity (Or End Up Like Bill Clinton) Most companies employing this strategy to gain profile and publicity do so with the intention of creating a buzz and ideally having the resulting video going viral. This is the reasoning behind the concept. And so the word spread. It would seem that we have now come full circle. MORE >>