I wonder how many of those are bots. Twitter has big opportunity in search but I find the experience to be poor. Search for a topic and 2/3rds, if not more, ar

I wonder how many of those are bots. Twitter has big opportunity in search but I find the experience to be poor. Search for a topic and 2/3rds, if not more, are retweets. It's not hard to filter out "^(RT:){1}.+$" but yet Twitter hasn't done it yet.