Businesses large and small face new challenges from the current global economic slowdown. Whether you are an advertiser, web site owner, online retailer, social applications developer, or an entrepreneur preparing to launch a new Internet company, you need to know what shifts are underway in the world of online advertising and social media marketing. TiE’s Internet SIG has put together a productive half-day program where you will learn how to use advertising, affiliate marketing, real-time streams, social media marketing, online lead generation and other methods to grow your business, acquire new customers, increase product sales and affiliate revenues. The event is being held from 12-8 p.m. on Tuesday, Oct. 20th in San Francisco. You can register for it here.