French quad play provider Iliad seems to have taken a leaf out of the Intel playbook, best illustrated by the famous comment of founder Andy Grove that “only the paranoid survive”. As the incredible journey of its mobile unit, Free – which has been annexing a huge percentage of new cellular customers over the past five years – begins to run out of steam, it has put in new management and new strategies to renew its efforts and retain its competitive edge. Today the growth in its mobile subscriptions has hit a wall. From a standing start in 2012, it has achieved 19% penetration of the French market or 13.7m subscribers, but last quarter it had net additions of only…