The document discusses various marketing strategies used by companies to promote their products and increase sales and market share. It provides examples of ambush marketing used by Pepsi during a cricket match sponsorship, scarcity marketing by Rolls Royce limiting production, and cause marketing done by Tata and ITC to support social causes. One example discussed in detail is Daymond John's stealth marketing campaign for FUBU clothing by having popular hip hop artists wear the brand without paying for traditional advertising.