Use the Lightning Framework to create apps fast at lower cost with clicks, not code. 
Use Lightning Developer Services to quickly spin up apps for any and all use cases, as you easily reuse code across components — without breaking your customisations.
The Lightning experience makes everyone more productive in every moment with a new and fast user experience.
Drive adoption by opening the doors to learning. Blaze your trail with free guided learning paths for Lightning in Trailhead. 

Other groups can’t wait to move to Lightning. They know their experience is going to get so much better.”

Mary Olson Fajimi, Senior Salesforce Admin, US Auto Sales
 

People are off-the-charts excited about Lightning: the look and feel and how it functions. It saves reps hours.”

Bob Bird, Sr. Manager, Salesforce Operations, T-Mobile

Lightning makes everything easier. Everyone should be on Lightning.”

Melinda Smith, Solutions Architect, Bluewolf