1. The practice of taking advantage of recent events or news stories in a way which promotes or advertises one’s product or brand
Usage: Being updated about market is everything when it comes to newsjacking.
1970s (with reference to the theft of newspapers in order to sell them to scrap dealers): blend of news and hijacking; the modern use dates from the early 21st century. The popular usage, however, comes from marketing and sales strategist David Meerman Scott’s book, Newsjacking: How to inject your ideas into a breaking news story and generate tons of media coverage.