Idea boards, such as AT&T$$s TIP, can be a valuable way of gaining insights and ideas from employees. They can also produce a large amount of information, making idea boards difficult to manage. What tool is helpful when idea boards are used?

Select one:

a$.$

Business cases.

b$.$

Vote tests.

c$.$

T$-$shirt sizing.

d$.$

Crowd$-$sourcing.