The internet presents a unique challenge to privacy. You have to physically connect somewhere. Normally that connection is also tied to your account. This means

The internet presents a unique challenge to privacy. You have to physically connect somewhere. Normally that connection is also tied to your account. This means you they know who and where you are at all times. VPNs can help but are a single point of failure if the government ever shuts them down or installs backdoors. If you go for the free Starbucks Wi-Fi plan on a tablet, you have some chance but you need to always have access to this kind of proxied connection. Additionally, you are likely to get fingerprinted fairly quickly based on services used and how the ad networks cross target. At the very least, they will know when and where you are at that Starbucks. I really think we have lost. The best we can hope for is E2EE baked into secure chips on our devices to at least protect our messaging.