Polish translation: aktualizować na bieżąco dane ...
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Explanation: you want to keep track of them so you could organize a reunion of the class of '96 some years from now. If you suspect mischief and want to keep track of say potential hijackers, I'd go for Robert's śledzenie. Śledzenie smacks a bit of Big Brother watching, doesn't it? So, yes, context IS important.
pidzej Poland Local time: 18:43 Native speaker of: Polish PRO pts in pair: 1077