Google street view provides panoramic views of streets gathered by webcams .
google街景提供由网络摄像头收集到的街道的全景照片。
In fact , webcams that monitor a person 's heart rate are soon to appear .
事实上,能够测量人们的心率的网络摄像头马上就要面世了。
Voice commands and gestures are becoming more sophisticated and webcams offer facial recognition and authentication .
语音命令和手势识别技术日益成熟,网络摄像头现在能够进行面部识别和验证。
These range from remote-controlled lighting and floor sensors to more elaborate set-ups integrating webcams and videoconferencing systems with the internet .
这些技术包括遥控灯、地面传感器,以及更为复杂的、将网络摄像头和视频会议系统与互联网整合起来的装置。
Technology introduces a fourth break from the past : the huddled masses reached ellis island without cellphones or webcams .