Viral marketing can also serve noble purposes

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The Ice Bucket Challenge, also known as the ALS Ice Bucket Challenge, was designed to raise awareness and money for the rare disease amyotrophic lateral sclerosis. The campaign involved pouring a bucket of cold water over yourself and then nominating someone else to record a video on social media within 24 hours.


source:www.youtube.com
The whole campaign has had a huge impact all over the world. Many betting database famous people such as Bill Gates, Donald Trump, Justin Bieber and Taylor Swift have taken part in the campaign.

Buzz Marketing
Like viral marketing, it is a derivative of word-of-mouth marketing, but focuses on direct promotion of products or brands . It involves engaging people (often influencers) to promote a product in their social networks. This makes Internet users talk about the product and the brand.

Apple is the undisputed leader in creating interest around new products and building expectations.