Thawj kauj ruam hauv kev ua kom zoo ntawm cov khoom muag khoom muag: ua qhov kev txiav txim siab ua ntej ntawm cov kev xav tau ntawm cov neeg siv khoom nyob ib puag ncig, thiab ua cov txheej txheem ntawm cov khoom lag luam raws li cov neeg siv khoom xav tau.

Qhov thib ob, cia siab rau cov ntaub ntawv platform ntawm lub vending tshuab, los ntawm cov ntaub ntawv loj tsom xam, peb tuaj yeem ua kom zoo dua peb cov khoom xaiv. Nco ntsoov tias cov khoom lag luam muaj txiaj ntsig siab yog qhov tseem ceeb rau peb cov khoom xaiv.