"It's a little different as gmail is useless without search." Are you suggesting the reason they read your email is for search? What about the ads they serve o

"It's a little different as gmail is useless without search." Are you suggesting the reason they read your email is for search? What about the ads they serve on the promotions tab? What about the fact that it can parse my travel plans and add it to my google calendar? There's a lot more than just search going on.