In the past, mega-trends came around periodically, and industries and society flowed along the current.
But today, the biggest issue is popularization - the fragmentation of trends.
After the 4th Industrial Revolution, the mega-trend has disappeared.
In the 21st century, 20th-century people and 19th-century people are all mixed in together. The gap in information and experience is producing a gap of centuries - or dimensions. And yet you can't find a clear pattern centered on a single age group, a single society, or a single organization.
We're shifting from hierarchy to multi-layer.
