Word-of-mouth and Referral Marketing are often confused. Whilst word-of-mouth is the result of customers talking about your brand with their friends and convincing them to try it, this is done without marketing effort and is difficult for marketing teams to influence and measure. Refer-a-friend marketing attempts to harness this customer advocacy and put in place the tools to encourage, reward and track customer recommendations.
The ALS Ice Bucket Challenge started in 2014, which was an online effort to raise awareness for people with Amyotrophic Lateral Sclerosis (ALS) disease and to raise funds. The campaign was able to raise $115 million in a span of just eight weeks! The challenge for people was to pour a bucket of ice-cold water over their head and challenge minimum three people to do the same and make a donation to The ALS Association.
In February 2000, Amazon announced that it had been granted a patent on components of an affiliate program. The patent application was submitted in June 1997, which predates most affiliate programs, but not PC Flowers & Gifts.com (October 1994), AutoWeb.com (October 1995), Kbkids.com/BrainPlay.com (January 1996), EPage (April 1996), and several others.
My favorite example of this right now is Pepsi’s #FutbolNow campaign. They have installed video games into the front of their machines. The game is a soccer challenge that tracks your real movements and judges how well you can juggle a soccer ball. You are rewarded with a free Pepsi if you reach a certain score. What’s the cost of a few cans of Pepsi next to drawing constant attention to your machine?
Furthermore, advertisers may encounter legal problems if legally required information doesn't actually display to users, even if that failure is due to technological heterogeneity.:i In the United States, the FTC has released a set of guidelines indicating that it's the advertisers' responsibility to ensure the ads display any required disclosures or disclaimers, irrespective of the users' technology.:4–8