Ravinder Kumar wades through ankle-deep sludge every day to leave his home in Sharma Enclave in northwest Delhi – yet inside the brick tenement, he does not have a drop to drink.

I take hydration seriously, but this reusable, smart water bottle helped me realize I wasn't drinking enough water.

Home automation with high usefulness and low annoyance tends to rely on reliable person sensing, and [francescopace]’s ...