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If you want to improve your online marketing and advertising, be sure to tune in to a live Q&A session on YouTube with renowned marketing expert Perry Marshall, hosted by Entrepreneur Network and happening today, April 22 at 3 p.m. EST (12 p.m. PST).

As the author of world’s bestselling book on web advertising, the Ultimate Guide to Google AdWords, Marshall literally re-wrote the book on paid-search practices and is a highly sought-after business consultant, having shared the stage with the likes of Barbara Corcoran, Brian Tracy and Les Brown.

Marshall is also a pioneer in the newer realm of Facebook advertising and wrote another bestseller, the Ultimate Guide to Facebook Advertising, in 2011. His ability to combine engineering, sales, mathematics, biology, art and psychology also lead to the creation of his 2013 book, 80/20 Sales & Marketing, and a project in 2015 called the Evolution 2.0 Prize, the lofty goal of which is to solve the Origin of Information.

Submit your questions for the live stream in this YouTube link (in the chat box at the right), or direct them @EntCommunity or @PerryMarshall on Twitter. See you live at 3 p.m.!

Join Entrepreneur Network here.