SIM Tsegulani lingaliro
Wogwira ntchito ku Japan Docomo adayambitsa lingaliro latsopano la SIM-khadi "yovala", yomwe imapereka ufulu wathunthu pakugwiritsa ntchito matelefoni, mosasamala kanthu za chipangizocho. Wogwiritsa ntchitoyo adzavala khadi yotere, mwachitsanzo, padzanja lake, muwotchi yanzeru ndikuigwiritsa ntchito potsimikizira pazida zosiyanasiyana zomwe amagwiritsa ntchito tsiku lililonse.
Kutulutsa khadi kuchokera ku chipangizo china, m'nkhani yathu, makamaka kuchokera pa foni, kuyenera kukhala kosavuta kugwiritsa ntchito magulu a nyenyezi a matekinoloje am'manja omwe akuzungulira munthu lero. Izi zikugwirizananso ndi mfundo zachitukuko za "Intaneti ya Chilichonse", momwe timagwiritsa ntchito magetsi omwe timavala komanso zipangizo zapakhomo, muofesi, m'sitolo, ndi zina zotero.
Zachidziwikire, khadi yoperekedwa ndi Docomo idzapatsidwa nambala yafoni ya olembetsa pa intaneti. Izi zitha kukhala dzina lake pa intaneti, mosasamala kanthu zaukadaulo womwe ukugwiritsidwa ntchito pano. Zoonadi, mafunso amadza nthawi yomweyo okhudza chitetezo ndi zinsinsi za wogwiritsa ntchito, kaya, mwachitsanzo, zipangizo zapagulu zomwe amalowetsa kuchokera ku SIM khadi yake zidzayiwala deta yake. Khadi la Docomo likadali lingaliro, osati chipangizo china.
