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Spam levels are quickly declining

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Spam in the form of email has seen a drastic decline in the last few months. One report shows a fall from 200 billion spam messages being sent each day in August to only 50 billion per day in December. It’s hard to say precisely why this has happened, but there are a few ideas.

Inactive botnets
Botnets are networks of infected computers that are responsible for most of the world’s spam. Three of the major botnets that were accountable for much of the global spam saw a huge decrease in activity at the end of 2010.
Generally, when botnets stop producing spam it is due to a temporary disruption in the network, but at least one of the three major botnets still seems to be intact. It could be that the people running the networks are just deciding to stop spamming, for whatever reason.

Spam in the form of email has seen a drastic decline in the last few months. One report shows a fall from 200 billion spam messages being sent each day in August to only 50 billion per day in December. It’s hard to say precisely why this has happened, but there are a few ideas.

Inactive botnets
Botnets are networks of infected computers that are responsible for most of the world’s spam. Three of the major botnets that were accountable for much of the global spam saw a huge decrease in activity at the end of 2010.
Generally, when botnets stop producing spam it is due to a temporary disruption in the network, but at least one of the three major botnets still seems to be intact. It could be that the people running the networks are just deciding to stop spamming, for whatever reason.
Anti-spam campaigns
Spammers like to see profit as the primary result of their efforts. When their profits start to decline, their motivation seems to disappear.
Anti-spam campaigns can really restrict the profitability of spammer networks. Recently, there has been a huge rise in anti-spam campaigns around the world, which has seriously disrupted these networks and caused many of them to close.
Other outlets
It could very well be that spam seems to be declining but is really just becoming more prevalent in outlets aside from email. Twitter and Facebook are becoming increasingly common media for spam distribution.
These are all logical theories behind the decline of email spam. However, nobody can be certain as to what specifically is causing it. For more information on the topic, check out this BBC News article.