They thought the pagers were secure communication devices. Now they know they are not. Hezbollah was maybe planning to escalate its attacks on Israel, without good, secure communications, they probably can’t. On the flip side, if Israel decides to invade Southern Lebanon to escalate things with Hezbollah, Hezbollah is going to have a much tougher time coordinating its defense since its supposed ‘secure’ communication system has just been blown up, the previous system (cell phones) what already suspected of being compromised, and now today, walkie-talkies used by the senior Hezbollah leadership have also exploded.