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April 25, 2019
OST Influencer Marketing Case Studies
We’ve worked on numerous award-winning projects in recent years. Here’s a selection of our favourite influencer marketing case studies. This includes ours, plus the best-of-the-rest… Hartley’s 10cal Jelly Hartley’s 10cal Jelly is a fun, delicious, low-calorie treat, popular among those looking to lose weight. Hartley’s enlisted OST to run a social media campaign to promote...
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