The authors use exemplification in many parts of the text...

"...interact to solve problems, serve customers, engage with partners, and nurture new ideas." (lines 6-7) are examples of tasks performed by knowledge workers.

"...healthcare providers and education," (lines 16-17) are examples of sectors of the economy with few knowledge workers.

"in operations per hour." (line 44) is an example of how collaboration workers are measured.

"...the collaborative creative work needed to win an advertising campaign or the high levels of service needed to satisfy public citizens." (lines 50-52) are examples of tasks performed by production workers.

"...poorly planned meetings, unproductive travel time, and the rising tide of redundant e-mail communications," (lines 68-70) examples of effective collaboration within companies.