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On a resistor with four bands of color code, the fourth band represents:
Time Lag
The delay between the initiation of an action or process and its effect or outcome.
Social Shopping
The use of social network services and websites by consumers to share their latest purchases, deals, coupons, product reviews, want lists, and other shopping finds with friends and contacts.
Viral Marketing
A marketing strategy that encourages individuals to share a marketing message to others, creating a potential for exponential growth in the message's exposure and influence.
Product Reviews
Evaluations or assessments of a product's performance, quality, or suitability, often written by consumers or professional critics.
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