Ability to mask a browser tab with something neutral

When you right click a tab, there will be the option to ‘mask’ or obfuscate what the actual browser tab is. Say I’m looking up something like this:

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and my roommate walks in… I could exit out of the tab immediately, sure. I could also have this in a different window, sure. But if I could just swap to my other ordinary tab, I could further obfuscate what I’m actually doing – rather than tip off my roomie that I’m suspicious of him!

this scenario is fictional and NOT REAL

If the dropdown menu had one extra setting to quickly mask the browser tab, it would be a very smart quality of life upgrade that the browser could easily handle and change without much issue.

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This (or something similar) would be much better:

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