Twitter is loosening its advertising policies to allow cannabis companies to promote their brands on the service. The changes makes Twitter the first major social media platform to welcome cannabis ads within the United States.“Going forward, Twitter is allowing advertisers to promote brand preference and informational cannabis-related content for CBD, THC, and cannabis-related products and services,” the company announced in a blog post.While the change will allow companies that sell cannabis products to advertise their businesses, there will still be some restrictions on what can appear in the advertisements. As Axios points out, the ads can’t directly “promote or offer the sale of cannabis” with the exception of certain CBD products. There are also age and location-related restrictions that limit who can be targeted with cannabis-related ads.The change is the latest way that Twitter has shaken up its rules under Elon Musk’s leadership in order to allow content that was o