Public speaking is the No. 1 phobia in America, according to The Chapman University Survey on American Fears.
No matter how nervous you are, using filler words like "um" or "so" can kill your credibility.
Whether you're giving a speech or speaking up in a meeting, there are proven methods to nix these distracting words. Here are 11 tips from the London Speaker Bureau to help you stop saying "um" forever.
