Ushering in an era of kindler, gentler interactivity, casual games (instantly-comprehensible, user-friendly titles that appeal to men and women of all ages) are the hottest trend in 2008. Today on Players Only, the experts explain the reason for their unprecedented success, and reveal how they’re shaping the entire face of the industry. Also explored: Mobile/cell phone entertainment, online communities and how games are bringing friends and family closer together…