In this way a lot of interactions can be tested at once (maybe the commissions only motivate uniformed sales clerks?).

FORBES: Shelf Smarts

The customer gets what he wants without consuming the costly labor of knowledgeable sales clerks, or wasting his own equally valuable time.

FORBES: Do You Want Nails With That?

The rise of China's nouveau riche has created an economic chasm between luxury-store sales clerks and customers, which can lead to awkward situations, says Andrea Bonardi, La Perla's managing director for emerging markets.

WSJ: China's Fickle Talent Pool

But Mr. Score, 47 years old, who has a white binder on his desk cataloging the "pain points" that have led its customers to walk out empty-handed apathetic sales clerks, out-of-stock items says he has a plan to end shoppers' hurt.

WSJ: Can This Former Clerk Save Best Buy?

Trustwave security experts test many mobile applications every year, usually fitting into one of two categories: free merchant or service-provider applications targeting consumer users (mobile banking applications, grocery store applications, etc.) and applications used by brick-and- mortar merchants for roving sales clerks.

FORBES: Is Your Mobile App Safe?

But what about all the managers, engineers, sales staff and clerks who may not merit an expensive headhunter search but can be nearly as difficult to find?

CNN: FROM SURF TO WORK

Some of the safest jobs of all, with only 3 deaths among all full-time workers, include file clerks, insurance sales agents, and customer service representatives.

FORBES: America's Deadliest Jobs

Consenting adults will not suddenly become checkout clerks, wandering the planet meticulously scanning things on walls, sales flyers, or product tags.

FORBES: 10 New Rules for Mobile Payments and Loyalty Startups