The choice of antivirus.

Panda is
A female battalion composed of institutions armed with old rifles. At the slightest noise, they begin to whisper exhaustedly and burn randomly (usually - to the sky). When they see the enemy, they faint or run away.
Advantages: It is practically not visible.
Disadvantages: The beneficial effect is also not noticeable.

McAfee
The tank brigade. Motorcycles rush, smells of lubrication, plumbery tankers catch the girls running past round places, and somewhere in the forest there is a sling. It looks impressive and weighty, in battle works quickly, efficiently and mercilessly. The enemy cannot penetrate inside at least simply out of fear.
The advantages: reliability.
Disadvantages: Tank lubrication today is very expensive, not to mention shells and fuel.Sometimes forget about enemies, if there are a lot of girls around.

Norton
Enemy occupation army. Officers on the rights of the winners free of charge drink snacks in luxurious restaurants, soldiers run through the courtyards, recycle the food, steal women, and engage in small household barbarism. Another enemy in the country, of course, will no longer pass, it is. But life in occupation, you know, is not sugar either.
Advantages: The border on the castle. and intentionally.
Disadvantages: The enemy is inside.