13.1 In 2005, Google released Google Earth and the Google Map APIs. Google brought compelling mapping and visualization functions within reach of all Web developers. In 2006, Amazon released a grid storage Web service called S3 that stands for Simple Storage Service. Amazon positions the service as a highly scalable, reliable, and low-latency data storage infrastructure at very low costs. In 2007, Facebook opened up its social network to third-party widgets via Facebook developer APIs. What business models are these three companies pursuing with their products? How are these types of Web services impacting the resource acquisition strategies of new ventures? Have these strategies been successful for Google, Amazon, and Facebook?