Here's something I'd love to have. Let's you are reading hacker news. Clicking a link gives you two options: open in a new tab, or open, replacing the current tab. Opening in a new tab works, but leaves you with a lot of tabs open that are cognitively hard to deal with ("why did I think this would be interesting?"). Replacing the current tab removes the context. When you return to the front page, it may have changed,…
Get "Tree Style Tabs". All the tabs are in hierarchy. Anything opened via "Open in new tab" becomes a child tab. This way, the "train of thought" is always preserved.