A speaker series designed to share ideas in design, entrepreneurship, marketing and music will be headlined by experts in social media and artistic design. The series at the second annual One Spark, billed as “the world’s crowd-funding festival,” will feature Scott Stratten, president of Un-Marketing, and James White, artist, designer and founder of Signalnoise Studio, the festival announced. The festival will take place April 9-13 in downtown Jacksonville. Article continues at jacksonville.com