X Su thu dich Tinh huu ngh
2. Tirdng lai cua cac ky thuat truyen phat thong tin
Bay gid chung ta se thao luan sir phat tridn co the du bao trudc ciia ky thuat truyen phat thong tin ma bao gom 5 loai: bao. tap chi', dai. truvdn hinh va mang Internet.
2.1. Bao chi'
Bao chi' ghi lai 2 thong tin ciia van ban va do hoa tren giay. Chuc nang chinh cua no la de cung cap thdng tin va iru diem cua no la ban co the doc no tham chi' khi ban dang c h u \e n dong. T u\ nhien vdi cong nghe ngay nay thi uu diem cua no de bi tha\ the
Chuong 7: Tuong lai cOa t y th u it truyin thdng 107
boi ctie thidt hi truv6n phdt khde. Didn thoai di dOng vti may nhan tin nhan van ban va do hoa se cung cap nhung churc nang tuong tu trong tuong lai.
Dien thoai di dong va may nhi\n tin co kha nang truydn tai van ban va do hoa, co the cung cap bA't ky mot thong tin nao vao thdi diem nao va truyen phat thong tin rat nhanh chong. Dien thoai di dong, khi duoc bo sung bang PDA, cho phep chung ta nhan duoc true tuyen bat ky thdi gian nao va tim kiem tin lire mdi nhat. Hon the nua may nhan tin hay dien thoai di dong co the di chuyen duoc va nho be tham chi' neu mot thiet bi thu nhan khac, nhu PDA, duoc them vao.
Mot trong nhung nhuoc diem ciia bao chi' la dung luong ciia no co han. Tuy nhien nhung the bo nhd co mot dung luong ldn ddi vdi thong tin. Ben canh do, viec nhan thong tin qua mang Internet tao ra viec sir dung sieu lien ket ma cho phep ngudi sir dung nhan duoc true tuyen vao bat ky thdi gian nao de tim kiem bat ky mot cai gi ho can. Neu ban thich thu vdi nhung tin turc giai tri thi ban co the true tiep chon muc giai tri ma khong can phai ludt qua tat ca cac trang ciia mot td bao. Hon the nura tham chi' ban co the goi lai nhung thong tin co lien quan qua sieu lien ket.
Co rat nhieu gidi han, bao chi co the duoc xem la mot ky thuat dd bi tan cong nhat trong cac phuong tien truyen phat thong tin bat chap lich sir lau ddi ciia no. Ben canh do. uu diem dau tien ciia ntS la dd dang bi mat dan. Vi the tam quan trong cua bao chi' se bi anh hudng trong tuong lai co the du doan trudc.