Market leader in the confectionery industry, Jelly Belly, the jelly bean manufacturer, must keep coming up with new flavors. In 2011, it released its Soda Pop Shoppe collection, which was developed after company employees were asked to suggest as many potential new jelly beans tastes as they could without being criticized for any of their ideas, no matter how outlandish. What method did Jelly Belly use to come up with this new product line?

1. setting a new-product mission
2. setting new-product goals
3. building a prototype
4. brainstorming