PR To April Fool or not? 6 pranking caveats PR experts say it’s OK to have fun on this devious day, but they urge you to exercise caution if you’re pulling a prank. By Matt WilsonMarch 20, 2011 SHARE To read the full story, log in. Become a Ragan Insider member to read this article and all other archived content. Sign up today Already a member? Log in here. Learn more about Ragan Insider.