1935年，Stanley Weinbaum在小说中描述了一款VR眼镜，是世界上率先提出虚拟现实概念的作品。电影《头号玩家》里的2045年精彩的虚拟世界丰富人类精神需求，社会规则的不同带来更多的满足感，经济/生活的效率也将提升。精彩的世界大门即将打开，而打开这扇门的钥匙就是VRAR。

Network slicing is a process of creating multiple unique virtualized and logical networks over a common multidomain infrastructure. With the use of network functions virtualization (NFV), software-defined networking (SDN), orchestration, automation, and analytics, mobile network operators can quickly create network slices to support a specific application, set of users, service, or network. The use of network slicing enables single network to offer various services based on the requirements of the user as well as various use cases. Also, it helps network operators to reduce operating expenses (OPEX) and capital expenditure (CAPEX) along with the improved operational efficiency and time to market for the delivery of network services.

Track and trace solutions are concerned with the distribution and logistics of wide range of products, which help locate the present and previous location of the object or things of interest. The technologies used to track the delivery of the product include radio-frequency identification (RFID) and barcodes. The report provides market dynamics and trends related to the global track and trace solutions market. The study estimates the revenue generated from the sales of track and trace solution product types. The valuations comprise revenue generated from adoption and deployment of track & trace solutions hardware and software by pharmaceutical and biotechnology companies, medical device companies, and other healthcare settings/organizations (hospitals & clinics, pharmacies, and contract manufacturing organizations & contract packaging organizations). Furthermore, the report excludes revenue generated from post-sale services of track and trace solution products.

Web hosting is an online service that allows to publish web application or website on the Internet. The web hosting services are provided by the individual host of website in the form of collective service offerings. The services offered by hosts include virtual private servers, collocated hosting, dedicated hosting, shared hosting, and cloud hosting. The advanced web hosting services provide various benefits such as superior performance, increased security, and increased security. For the purpose of analysis, the report segments the global web hosting services market based on type, deployment model, application, end user, and region. This report features information on web hosting services offered by key vendors.

全球各大市场的娱乐类应用下载量及净收入数据大多呈回升态势。国内市场方面，上周国内娱乐类应用下载量环比继续呈小幅回落态势，但仍处于略高于春节后下载量的水平；净收入环比呈现微幅上涨。港澳台市场方面，受港澳地区佛诞假期影响，娱乐类应用下载量环比大幅上涨21%，净收入小幅增长。主要海外市场中，北美市场娱乐类应用下载量再度小幅回升；净收入数据自2020 年3 月疫情爆发后持续保持在高位，环比小幅增长4.9%。日韩市场方面，下载量数据继续保持在一年内的较低水平；净收入数据环比下降约6.3%。东南亚市场方面，受疫情再次告急所影响，下载量数据环比继续小幅上涨，同时净收入数据环比继续小幅回落。