Hundredsofyearsago,newswascarriedfromplacetoplacebypeop...
问题详情：Hundredsofyearsago,newswascarriedfromplacetoplacebypeopleonfootorbyhorse.Ittook days,weeksandsometimesmonthsforpeopletoreceivenews.Nowitispossibletosendwordsand picturesaroundtheworldinsecon...