“Spam in Twitter”, according to
Sysomos report 32% of tweets are generated by bots (150 times/day), in those 24% of Tweets are spam.
Well to reduce spam all are saying one thing,so i’m also stressing that “Be Selective in Following”others.
When we created an account ,with in 60 second’s we got six
followers,all are from pron websites. Also don’t hurry to get followers
by joining other websites which will promise to provide thousands of
followers! Also read 3 Ways Scammers are Filling Twitter With Junk at Mashable.
5 Tools to reduce Twitter Spam
1.TrueTwit:
As the title itself says about it’s nature,TrueTwit distinguish real followers from bots by Captcha validation.
But Truetwit only eliminates bots,what about active human spammers ?
Link: http://truetwit.com/
2.TweetBlockerTweetBlocker automatically identifies the spammers in your follow
list by analyzing the behavior of the followers. It uses
blacklist-style identification and Bayesian algorithm to analyze a
user’s Tweets or content.
Link: http://tweetblocker.com/
3.Twitblock
Another service which has a nice, user-friendly interface that makes
it easy to block followers.Twitblock a simple scanner that analyses
your followers for signs of “spammy” behaviour.
Link: http://www.twitblock.org/
4.Twerp Scan
Twerp Scan will check the number of followers on your contact list,
the number of people they are following, and then compute the ratio
between how many friends/followers they have . According Twerp scan
spammers follow many people say 10000,but they will have less followers
. The downside you have to manually block each user or spammer.
link: http://twerpscan.com/
5. Clean Tweets:
Clean tweets is completely different from above services. As Firefox
fan i prefer Clean Tweets a Firefox Toolbar Addon, that removes spam
from Twitter Search, specifically Trending Topics.
Clean Tweet erases most of the spam-based two filtering rules:
1. Delete all tweets from accounts that are less than 24 hours old (or how long you specify)
2. Any tweet that mentions 3 or more (or what you decide) trending topics.
Link: http://blvdstatus.com/clean-tweets.html
Firefox addon : https://addons.mozilla.org/en-US/firefox/addon/12384
I cannot say above 5 tools can completely block spam in Twitter,but they can be used for self defense.
By the way if you follow Twitter’s spam account,you can block spammer’s by sending a direct message with a spammer’s username.
Credits to
Ramakanth 
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