Customers of e-commerce platform Shopify are receiving notices informing them that the Twitter sales channel is getting shut down “as a result of the Twitter team pivoting way from their ecommerce focus.” We have confirmed the note as legitimate. The short message, shared by TC reader Brody Berson, is at the bottom of this post. From what we understand, Twitter is now gradually winding down the “Buy” button, and with it the partnerships that it forged to bring in retailers and other businesses to use them. At the same time, Twitter will continue to offer a “Donate” button to give to charitable causes and other nonprofits, which Twitter will offer directly. Other links to Buy information, such as this information page on Twitter’s Business site, will also slowly now start to disappear, as the products are no longer being offered. Get the full story at TechCrunch