New Delhi, Nov. 12 -- Curious how clean your smartphone really is? Ever wondered if a quick swipe removes anything more than a smudge? What about the dust hiding in your laptop's keyboard or that greasy touchpad after lunch on the go? Sometimes device care seems cosmetic, but studies reveal it's a bigger deal than you think.

Research from the University of Arizona found mobile phone surfaces can hold ten times more germs than a toilet seat, providing clear proof these common gadgets harbour bacteria that survive on our hands, screens, and keyboards.The average smartphone carries far more potentially harmful bacteria than a public toilet handle, including E. coli and MRSA. What should you do? A routine wipe with device-safe microfibre clo...