The first entry is always the pin's source. Overall confidence is a weighted average of how firmly each reference supports the start and end times used above; a reference counts half as much for every 180 days older than the newest.
Happened as dated, per macrumors.com: "…a "squeezable" frame like the recently launched HTC U11. The technology will let Pixel users s…"
Android Authority's hands-on coverage of the 4 October 2017 announcement confirms both Pixel 2 phones shipped with the squeeze-activated Active Edge feature the pin describes as a rumor.
TechCrunch reports Google's own invitation confirming the Pixel 2 / Pixel 2 XL announcement event on 4 October 2017, where the phones' squeezable 'Active Edge' frame (the feature the pin speculates about) was officially unveiled - well before the pin's stored 31 October 2017.
TechRadar independently confirms Google's Made by Google event unveiling the Pixel 2 and Pixel 2 XL (with the squeezable Active Edge frame) took place 4 October 2017, a firmly established, uncontested historical date well ahead of the pin's stored 31 October 2017.
Something missing or wrong? Say it in your own words: a link that backs this pin up, a different start or end date and why, or a fact it lacks or gets wrong. The AI checks it against this pin's sources, searches for better ones, and adds any page that backs you up. The pin's own sources still count most.