四季度，B站广告营收增长27%，增速很猛，但同时财报显示，四季度B站DAU环比下降了400万至1.13亿，MAU环比下降了1000万至3.66亿。
购买渠道：亚马逊 $79.99 → $39.97
，更多细节参见美恰
Представитель российского генералитета рассказал о процессе подготовки многочисленных специалистов для подразделений беспилотной авиации14:51
Whether you’re a minimalist novice or a control freak looking to tweak every setting, the Amp Ultra abides. Most impressive, I never found a flub over several weeks of testing. The system never refused to connect to my TV, never paused streaming, never delayed an input switch. Everything just worked as intended, a refreshing change from so many devices I’ve tested, including (and sometimes especially) amps that cost over five times as much.