What's the difference between Internet advertising and traditional advertising?

Traditional advertising companies are mainly 4A advertising companies, such as Zhiwei Townsend, O& etc. M Ogilvy & Mather, Lingshi and Leo Boehner are mainly engaged in advertising creative planning, while emerging Internet advertising companies advertise through technologies, such as audience positioning, data analysis, real-time monitoring, media purchase, SEM and word of mouth. Online advertising companies include Avazu, MediaV, Chuanyang, Youyi Interchange, Yiyeda, etc. Among them, Avazu also built the AvazuDSP platform with its original technology to facilitate online advertising. (Zhongguang Huixun Media Co., Ltd., the first multimedia platform advertising company in Putian, has a professional promotion channel, and more than 2,000 media have cooperated with it, and the effect is obvious. )