TechCrunch - There’s nothing more fundamental to education than the student-teacher relationship. Not surprisingly, products and companies that leverage technology to strengthen and support this dialogue are increasingly finding inroads into the classroom. Cell phones, tablets and laptops have become pervasive among student populations and, while they bring plenty of potential for distraction, one startup sees an opportunity to use these new tools of student communication to create a more interactive and engaging educational experience. (Phones, Services, Top Hat)