TellApart | 1,653 followers on LinkedIn. TellApart helps retailers leverage their data to personalize the customer experience and drive omnichannel commerce. TellApart's integrated suite of marketing solutions allows marketers to deliver personalized messages in realtime across display ads, Facebook, email and retail websites. TellApart solutions have driven billions of dollars of incremental revenue for many of the world's top retail brands, including: Brookstone, CafePress, HauteLook, Hayneedle, Neiman Marcus, REVOLVEclothing, Sur La Table, Warby Parker and Wayfair.