It’s the exchange traded fund shindig of the year, and it rocks. Without further ado, here’s Matt Hougan — president of ETF.com, which is organizing the event — telling IBD what to expect from the eighth annual Inside ETFs conference taking place in Hollywood, Fla., Jan. 25-28: IBD: How has the event grown? Hougan: The conference has grown in terms of registrations every year, from 400-plus in year one to roughly 1,500 last year.