LA TIMES — June 5 — A feature called YouTube Insight, introduced in March, gives YouTube account holders who have uploaded videos to the site a range of statistics, charts and maps about their audiences. Until recently, “it’s been hard to measure the success of online advertising campaigns,” said Adam Spielberger, EVP of a New York interactive advertising agency. Insight is part of a trend on the Web. Facebook offers account holders a weekly report that, like Insight, is free — and has a similar name, Insights. The information it provides is used by individuals and companies that have Facebook pages and want to hone their marketing. FULL ARTICLE @ LA TIMES