Email: Teen Well-being Communities 11/8 check-in

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Case 4:22-md-03047-YGR Document 2885-46 Filed 03/26/26 Page 1 of 4 AMENDED Exhibit 118 PLAINTIFFS' OMNIBUS OPPOSITION TO DEFENDANTS' MOTIONS FOR SUMMARY JUDGMENT Case No.: 4:22-md-03047-YGR MDL No. 3047 In Re: Social Media Adolescent Addiction/Personal Injury Products Liability Litigation Message From: Sent: To: Subject: Case 4:22-md-03047-YGR Document 2885-46 Filed 03/26/26 Page 2 of 4 (Google Slides) [comments-noreply@docs.google.com] 11/5/2021 1:16:08 AM Teen Well-being C... - It will be hard to optimize for inten... mentioned you in a comment in the following document Teen Well-being Communities 11/8 check-in Intentional Time Spent Justin Cheng It will be hard to optimize for intentional time spent without allowing for regressions in time spent. Is this okay? (1) Past research on problematic use on Facebook, as well as prior academic research suggests the existence of a U-shaped curve, where people with a moderate number of sessions report the lowest rate of problematic use. As session count increases, more and more people report feeling like they spend a lot of time on Facebook or report sleep problems. https://fb.quip.com/IZHOAdPXww9Y (2) We also see that NAC prevalence increases with time spent overall, particularly among women. (But to complicate matters, time spent has no association with NAC for teen girls.) https://www.internalfb.com/intern/anp/view/?id=1316620 (3) HLM also suggests that among teens, body image, social comparison and particularly sleep problems are more intense, have higher reach, and/or have more teens saying that IG makes it worse. So arguably we should still be prioritizing these 3 things over problematic use. https://fb.workplace.com/photo/?fbid=770076886867158&set=a.753468141861366 Justin Cheng Also, here's a document with more context: https://docs.google.com/document/d/1i9u271ftMbVhBSkkJI1YTJvCyd769c7PFJhvzTmwzO8/edit# CC and Excellent points and research Justin! HIGHLY CONFIDENTIAL (COMPETITOR) META3047MDL_RVOL003 META3047MDL-003-00079909 Case 4:22-md-03047-YGR Document 2885-46 Filed 03/26/26 Page 3 of 4 and we think it is important to call out the tension in core priorities around defending time spent market cap, particularly for teens, and making meaningful progress on "intentional time spent." We would love to get feedback and direction on how we should approach these tradeoffs. Our POV is where we have identified and have strong conviction on instances of problematic/harmful time spent, then we should be ready to incur the engagement regressions associated with addressing them. Ideally we can find solutions that substitute problematic/harmful time spent with "intentional time spent", but incurring time spent regressions to solve them should be on the table (again condition on good research conviction that we have identified problematic/harmful time spent). Otherwise we are not set up well for success. What's the rough x% (of DAP or other topline) of teen girls / teen women in the cohort where work on intentional time spent is most applicable? Basically, what's the primary addressable market size for time spent-related product experiences? If it's similar to NAC-related targeting cohorts (low single digits) in terms of reach, then that's good to know. In terms of topline time spent, this sounds like a "whale-y" cohort, so even a small reach group could have disproportionate effects for topline, but this still would seems to set up a pretty clear framing, since not all engagement is good engagement. we'll follow up with the addressable market analysis, since the analysis happened a while back, it may be infeasible get a TAM estimate now. @ clarify. will However, do you think it would be productive to seek clarity on these tradeoffs even before we have any opportunity sizing ready? I'm thinking that clarifying these principles ahead of time would help the team focus on problems where there is already alignment with leads on the tradeoffs that the solutions could entail. New Added a discussion question for this. Open Google LLC, 1600 Amphitheatre Parkway, Mountain View, CA 94043, USA HIGHLY CONFIDENTIAL (COMPETITOR) META3047MDL_RVOL003 META3047MDL-003-00079910 Case 4:22-md-03047-YGR Document 2885-46 Filed 03/26/26 Page 4 of 4 You have received this email because you are mentioned in this thread. Change what Google Docs sends you. You can reply to this email to reply to the discussion. HIGHLY CONFIDENTIAL (COMPETITOR) META3047MDL_RVOL003 META3047MDL-003-00079911