Media investments from January to September 2015 have decreased slightly by 0.2% compared to the same period in 2014, with notable growth in the last three months led by sectors such as culture, tourism, leisure, and sports. TV and outdoor advertising saw increases, while investments in free sheets and internet declined significantly. Overall, major advertisers like Procter & Gamble and Colruyt increased their spending, while others like Coca-Cola and Proximus reduced theirs.