Apple and Android roundup: iPad 2 demand, software updates and ad markets

Cupertino, Calif.-based Apple Inc. (APPL) and its iPad 2 is still the most popular tablet around the globe, even after it’s been on the shelves for four months. In the last couple of weeks, Apple has finally chipped away at a vast backlog of orders that has caught up to demand and is shipping tablets to consumers in as little as one to three days.