That new killer feature?does anyone know about it, and are they actually using it? by Jim Young | Feb 23, 2015 | Entrepreneurship | 0 comments That new killer feature?does anyone know about it, and are they actually using it? Related posts:Your mommy will download your app, but will total strangers?Getting amped-up about AMPComfort Zones are Boring Submit a Comment Cancel replyYou must be logged in to post a comment.