YouTube is reportedly implementing server-side ad injection to make it harder for ad blockers to skip advertisements. SponsorBlock, a third-party extension, reveals that this new method will disrupt its functionality, affecting other ad-blocking tools as well. Currently, YouTube uses client-side ad injection, where ads are loaded separately from the video content using JavaScript. Ad blockers typically target these scripts to block ads. However, server-side injection integrates ads directly into the video stream, making them harder to detect. This change complicates SponsorBlock's ability to skip sponsored segments and poses challenges for other ad blockers in recognizing and blocking ads. To address this, solutions such as better detection algorithms and metadata analysis are suggested. While SponsorBlock is adapting to the new system, it anticipates further complications as YouTube expands server-side injection. The impact could be significant for users, advertisers, and the future of online advertising.