StumbleUpon Makes Personalized Email, Video Strides
Remember StumbleUpon? The content discovery and social bookmarking site born in 2001 wants to go beyond its bread and butter, driving social shares and referrals to publisher sites. That means StumbleUpon is expanding into new channels – and with good reason. StumbleUpon had 30 million monthly active users in 2014, but that number pales in […]
