Up until recently, major search engine have stifled Web-based marketing communication by failing to develop appropriate measures with which to properly index Web-based multimedia presentations.

• 最近，一些主要搜索引擎停止了以网络为基础的市场交流，因为他们无法开发出合适的相关工具，导致无法提供以网络为基础的多媒体内容的网页。