The info gathered such as the quantity readers, the supply the place they've got come from, and also the internet pages visted in an nameless sort. B?n có th? ngh? v? b? c?c nh? m?t lo?i ph??ng ti?n tr?ng có th? ???c s?a ??i cho phù h?p v?i b?t k? m?c ?ích nà