Microsoft is in talks to acquire TikTok — owned by Beijing-based ByteDance — amid much handwringing over the data the app collects. And while TikTok’s fate may ultimately be decided by the obscure Committee on Foreign Investment in the United States, it seemed worth asking: Why is it so important to keep data collection domestic? There are certainly plenty of American apps collecting information on their users, too. We’ll talk about that and more on this week’s Whadda Ya Wanna Know Wednesday. Plus: contact tracing, supply shockwaves and alpacas.