Threads is a great Instagram extension and it ads completely new feature: now, Instagram users can run their own microblogs. But that's not enough to kill Twitter.
Ultra-wide TVs are great concept, but there are limitations that restrain them from mass-market. One of them, current manufacturing process and problems with aspect ratio adaptation.
Snapchat ad-revenue sharing program let's Snapchat creators to boost their revenue, but that turns into constant posting and lack of privacy. And that hurts Snapchat as a "space for friends".
Google introduced blue checkmarks in Gmail on May 2023. The last among other social media, but there's still some concerns on whether we can rely on those check marks.
Apple is on the right track enhancing its ecosystem. Some features are tiny, but with a time, that would be thinks to make a difference between Apple and its competitors.