I have recently come to understand that, because you guys that make up Mozilla think Tab Groups is such a niche and insignificant feature, you have decided to kill it this coming November on the roll out of Firefox 57. And this comes a couple of years ago after you guys flipped this feature from being integrated to being add-on. However, according to Mozilla statistics (refer https://addons.mozilla.org/en-US/firefox/addon/tab-groups-panorama/statistics/?last=30), a half a million people have downloaded the Tab Groups add-on! Further, based on current daily usage, Tab Groups is in the top 1% of all 18,839 FireFox add-ons! So, it seems to me that your characterization of Group Tabs as a niche and insignificant feature with few users is fake news. Both in my personal use and in my B2B market research business, I love using FireFox and Tab Groups in combination because that way I can organize and quickly access hundreds of active / open web pages all in 'real-time'. Now that you at Mozilla better appreciate the significance of the Tab Groups add-on, I trust you can come up with a quality answer for me and hundreds of thousands of Tab Group users who ask "what's Mozilla doing now to replace or replicate the Tab Groups functionality come November 2017?"