text: Main soch rahi thi, smart vacuum cleaners kitne useful hain, ghar ke kone kone mein safai khud karte hain, ab toh main soch rahi hoon kharidne ka!Bilkul, aur kuch models toh tumhe app se control kar sakte hain, so tum kahin bhi ho, woh apna kaam khud karte hain, time bacha rahe hain!