Welcome to the unofficial start of summer! Sure, we’re technically smack-dab in the middle of spring. But the truth is that after Mother’s Day, it’s all summer holidays from there. And that means summertime influencer marketing campaigns AND summertime prep for the big, fancy fall and winter influencer marketing campaigns. So, let’s dig into the… The post May 2025 Social Media Calendar appeared first on The Shelf, a Data-First Influencer Marketing Company.