20世纪70年代，美国文化学者米德《文化与承诺：一项关于代沟问题的研究》一书根据文化传递的方式将社会分为前喻文化、并喻文化和后喻文化三种形态。当一个社会依赖经验生存时，长辈是“活着的历史”，作为年轻人的后辈需要依赖长辈，才能获得生存经验，这就是“前喻文化”。社会开始发生重大变迁，文化传递的形式也做出相应转变——“前喻文化”逐渐瓦解，“并喻文化”开始出现，前辈与晚辈的关系发生转变，年轻一代开始拥有自主权。而当形势发生彻底转变，数字鸿沟的出现使得长辈需要向晚辈学习，“后喻文化”到来——年轻人开始反抗，代际冲突由此产生。聚焦当今中国，Z世代带着“青年亚文化”强势来袭，而人口老龄化逐渐成为不容忽视的社会现象，青年文化与老龄化并轨而行，成为一种独特的文化症候。阶级、性别、种族、媒介，本是文化研究的四个基本坐标。结合今日互联网不同年龄群体碰撞的现实，“代际”或也可成为新媒介背景下又一个文化坐标。

2020年B站于五四青年节前夕发布了献给新一代的演讲《后浪》，随即引发轩然大波。此后连续两年，B站又有《我不想做这样的人》《不被大风吹倒》两则视频。分别抓取三部视频下的高赞评论，《后浪》与《我不想做这样的人》的评价以消极居多，代际之间呈现撕裂状态；《不被大风吹倒》则收获了较多的积极反馈，年轻一代与莫言因“艰难时刻”而彼此共情。究其原因，三部视频的内容在人称使用、文本选择上有明显差异，无法精准瞄定视频的受众；而近年以来中国社会深刻的经济变革，使得整个年轻一代陷入了群体性的生存危机感与精神困境。总体而言，由于不同代际成长环境完全不同，在经济周期处于下行阶段的如今，没有任何一位年长者可以以“过来人”的身份向年轻一代分享经验。值得庆幸的是，从年轻一代的反馈来看，青年人拥有的并不只是悲观，同样还有希望。综合受众对近年三部宣传片的反馈，研究认为，代际传播需要双方平等的交流环境，需要双方打破“茧房”，突破自我认知的局限，寻找群体的“最大公约数”。

In the 1970s, American cultural scholar Mead’s book Culture and Commitment: A Study on the Generation Gap divided society into three forms based on the way culture is transmitted: postfigurative culture, cofigurative culture, prefigurative culture. When a society relies on experience to survive, the elders are the living history and the younger generations must rely on them for their survival experience, which is called postfigurative culture. As society began to undergo significant changes, the forms of cultural transmission shifted accordingly. The postfigurative culture gradually collapses, the cofigurative culture begins to emerge. The relationship between the older and the younger generation changes, and the younger generation begins to take ownership. When the situation undergoes a complete transformation, the emergence of the digital divide requires elders to learn from the younger generation, leading to the arrival of prefigurative culture. Young people began to rebel, leading to intergenerational conflicts. Focusing on today's China, Z  Generation is coming with a strong youth subculture, and population aging has gradually become a social phenomenon that cannot be ignored. The coexistence of youth culture and aging has become a unique cultural symptom. Class, gender, race, and media are the four basic coordinates of cultural research. Combining the reality of the collision between different age groups on the internet today, intergenerational may also become another cultural coordinate in the context of new media.

On the eve of the May 4 Youth Day in 2020, the bilibili released Rising Waves: A Speech for the New Generation, which immediately triggered an uproar. In the following two years, the bilibili released two more videos, called I Don't Want to Make Myself to Be... and Never be Blown Down by the Wind. After analyzing the highly praised comments of the three videos, we found that the reviews of Rising Waves: A Speech for the New Generation and I Don't Want to Make Myself to Be... were mostly negative, showing a tear between different generations; while Never be Blown Down by the Wind received more positive feedback, and the younger generation and Mo Yan empathized with each other because of the hard times. The reason for this is that the content of the three videos differs significantly in terms of the use of personification and text selection. As the size of the user group continues to expand, bilibili is unable to accurately target the audience of the video; and the profound economic changes in Chinese society since recent years have plunged the entire younger generation into a group existential crisis and spiritual dilemma. In general, since different generations grew up in completely different environments, no older person can share their experience as an experiencer to the younger generation nowadays when the economic cycle is in a downward phase. Thankfully, the feedback from the younger generation shows that what young people have is not just pessimism, but also hope.

Considering the audience's feedback on the three promotional videos comprehensively, the study concluded that intergenerational communication requires an equal communication environment for both parties; and also requires both parties to break out of their information cocoon, break through the limits of self-perception, and find the greatest common denominator of the group.