UM's 'Power to the People' Wave 4 report reveals significant changes in social media use, showing that social networks are becoming the main platforms for content creation and sharing with 625 million active internet users globally. Mobile internet usage has increased, with 17% accessing the internet while on the move, and video consumption has surged with 83% of users watching videos online. The report highlights the consolidation of social media tools onto social networks as consumers become more selective in their digital interactions.