text: kal mujhe ek friend ne bola ki ab to robot vacuum cleaners bhi aate hain,main soch rahi thi ki kya ghar ke kaam mein robot ki zaroorat hai?haan yaar, agar mujhe ghar ke kaam se thoda time mile toh main zyada productive kaam kar sakti hoon, lekin kya robot ghar ki safai karne mein utna hi achha hai?