Unified Patents is seeking prior art for US Patent 9,069,648 with a focus on claims 1, 16, 18 and 22. The patent is directed to "systems and methods for delivering activity based suggestive (ABS) messages." Submitted documents for this project must: (1) if a patent reference, have a priority date before 1/25/2012 or if a non-patent reference, be publicly available before 1/25/2012; (2) include a PDF attachment (with or without annotations) for any submitted non-patent literature reference.