No wonder we often need an incentive to innovate.
We often need to add new rows between existing rows.
We often need to give out toilet paper, shaving cream and detergent.
In practical regression problems, we often need to impose constraints on slopes.
In social interactions, we often need to quickly infer why other people do what they do.
We often need to refer to an unknown person ("someone", "anyone", "a doctor" and the like).
When we feel empty inside, what we often need is love and sex, not burgers and chocolate.
To power actuators, we often need more current or different voltages than can be supplied from the Arduino.
To answer these types of questions we often need to know how to find and count illness-causing bacteria.
In real applications, we often need to measure common points on multi-stations by using this technology if objects are large scale.
The local mobile network, NetOne, is not very reliable and we often need to walk long distances of about 3.5km (2 miles) to get it to work.
