This year, you are going to see tailwinds where before there were headwinds, he said.Mobile gaming companies like Zynga and daily deal giant Groupon (Nadaq: GRPN) were flameouts" over the past year, but Mahaney said he would not count out either considering that companies including eBay and Amazon were at one time considered no-gos as well.The alternative payments rollout will continue in 2013, b