<span>Go paperless.
Use natural lighting.
Grow trees nearby.
Reduce, reuse, and recycle.
Carpool.
</span>
Answer:
Overuse injuries of the hand.
Obesity.
Muscle and joint problems.
Eyestrain.
Behavioural problems including aggressive behaviour.
Many admins set their firewalls to drop echo-request packets to prevent their networks from being mapped via "Ping Sweeps".
A remote possibility is that there's too many hops between the source and target and the packet's TTL expires.
