What was eaten in North America up to the 1960s was fairly predictable, in large part to things like the Canada Food Guide which told people what they should eat. What changed was the lowering of airfares, allowing the average person to travel globally and try the cuisines of their travel destinations. Conversely immigrants were demanding food from their native countries, which in turn allowed locals to try these foreign foods. Two examples of this globalization are the popularity of balsamic vinegar and sushi, both relatively unknown in North America fifty years earlier. Not only were foreign foods brought to North America, but they were transformed using local ingredients, which created such things as the California roll. Further globalization can be seen by the introduction of the Michelin food guide to Asia. The food revolution has also spawned convenience foods - such as packaged and washed salads - and the A-list celebrity chef, who wields great influence over the general ...