I couldn't find the specific link/rumor about top 100 at launch, but there are multiple articles referring to it, so sony must've said it originally, then changed their tune when xbox said four generations bc. I mean are there even 4,000 titles for the ps4? they were probably counting regions as being separate titles. it's all about semantics. sony may say it's going to be bc for the majority of titles, which may be true, but they don't mention "at launch" afaik, so it's deliberately misleading.