From cybersecurity to mobile commerce wars, the biggest trends will change the way we live and work in big ways.

If there’s one theme we should take into 2015, it’s this: change is no longer just ubiquitous, it’s accelerating.We saw this in Facebook’s $22 billion purchase of WhatsApp; when celebrity selfies (versus fashion on the red carpet) became a key moment during the Oscars; when the polar vortex dumped snow across the Northeast. In tech, change comes overnight. Literally!

So here are five big trends that every business leader should watch in 2015 and beyond.