Read Google uses Gmail to track a history of things you buy — and it's hard to delete by Todd Haselton,Megan GrahamTodd Haselton,Megan Graham (CNBC)
Google collects the purchases you've made, including from other stores and sites such as Amazon, and saves them on a page called Purchases.

Apparently is a reasonable place one could start for creating acquisition posts on their website. The downside is the realization that Google is tracking all of this without making it more obvious.

👓 Changing Our Approach to Anti-tracking | Future Releases | Mozilla

Read Changing Our Approach to Anti-tracking by Nick Nguyen (Future Releases | Mozilla)
Anyone who isn’t an expert on the internet would be hard-pressed to explain how tracking on the internet actually works. Some of the negative effects of unchecked tracking are easy to notice, namely eerily-specific targeted advertising and a loss of performance on the web. However, many of the harms of unchecked data collection are completely opaque to users and experts alike, only to be revealed piecemeal by major data breaches. In the near future, Firefox will — by default — protect users by blocking tracking while also offering a clear set of controls to give our users more choice over what information they share with sites.