Book fairs are a fundamentally in-person experience. But Jessica Ewing, the founder and CEO of edtech company Literati, is betting that using technology to modernize the school book fair can unlock a love of reading for more than 30 million kids. So far, that bet is paying off: Literati's annual revenue is close to $40 million and as Ewing explained to ForbesWomen editor Maggie McGrath in this Forbes Talks segment, the company's recent acquisition by Trustbridge Partners is a signal of even