СюжетАтака БПЛА
Instead of an infinite undo history, WigglyPaint has a single “Oops” button. From a technical perspective, more undo levels would be easy to furnish. No undo levels at all can be truly infuriating, especially on touch-based devices that occasionally register spurious lines. A single undo level is just enough: it encourages a sense of committing to forward momentum on a drawing.
。关于这个话题，新收录的资料提供了深入分析
https://www.youtube.com/watch?v=IYHeiQxwCVc
我国也在快速进入这个阶段，这些赛道增长明显：订阅型宠粮和营养品、长期健康管理服务、智能养护与远程陪伴设备；这类产品的共同特征在于，并不追求一次性交易，而是试图建立稳定的服务关系。
Purple: ___ Press