Has Your Demand Waterfall Come of Age? Have you switched to SiriusDecisions’ new age Demand Waterfall unveiled in May 2012? The rearchitected SiriusDecisions’ Demand Waterfall factors in inbound marketing, marketing automation, teleprospecting and sales into the demand journey as leads travel from cold to close.In the new model, teleprospecting was elevated as an integral way to qualify leads. It is to kick in as an additional layer after marketing automation. in Public bookmarkswith alignmentandautomationb2binboundleadmarketingnurturingoutboundprogramssalesvis-à-vis