Original sentence: " Hard disk drive manufacturers began using MB, i.106 bytes, to characterize their products as early as 1974.By 1977, in its first edition, Disk/Trend, a leading hard disk drive industry marketing consultancy segmented the industry according to MBs (decimal sense) of capacity.Later, Microsoft Windows 95, for example, would report the space available on a 41,959,424 byte hard disk drive as 40 MB.The  presentation of hard disk drive capacity by an operating system using MB in a binary sense appears no earlier than Macintosh Finder in 1984.The operating system suppliers decisions to use the same symbol MB already in use for hard disk drives but with a new and different meaning has led to consumer confusion and sometimes litigation
Edited sentence: " The  presentation of storage capacity using binary unit appears as early as Macintosh Finder.In Microsoft Windows XP, a 30 gigabyte drive has its capacity reported as both 30,064,771,072 bytes and 28 GB, which makes the precise meaning of the prefixes clearer.Microsoft Windows 98, for example, would report the space available on a 41,959,424 byte hard disk drive as 40 MB.The confusion has sometimes led to litigation