In an exclusive conversation with Business Today, Editor, Sourav Majumdar and Krishna Gopalan, Executive Editor, Business Today Magazine Snap Inc CEO Evan Spiegel spoke on the importance of performance advertising, how it has helped snapchat for growing its business. "Performance advertising is an essential part of business strategy", Snap Inc CEO Evan Spiegel. Performance Advertising also helps small businesses, he added. Evan also talks about the Key differentiator for Snap.