大数据时代-生活、工作与思维的大变革 一、认识大数据 二、大数据时代的变革 三、大数据时代的挑战 四、大数据的应用+ 何为大？数据度量+ 1Byte = 8 Bit+ 1KB = 1,024 Bytes+ 1MB = 1,024 KB = 1,048,576 Bytes+ 1GB = 1,024 MB = 1,048,576 KB = 1,073,741,824 Bytes+ 1TB = 1,024 GB = 1,048,576 MB = 1,099,511,627,776 Bytes+ 1PB = 1,024 TB = 1,048,576 GB =1,125,899,906,842,624 Bytes+ 1EB = 1,024 PB = 1,152,921,504,606,846,976 Bytes+ 1ZB = 1,024 EB = 1,180,591,620,717,411,303,424 Bytes+ 1YB = 1,024 ZB = 1,208,925,819,614,629,174,706,176 Bytes+ 红楼梦含标点87万字（不含标点853509字）+ 每个汉字占两
