Yahoo are now trying their luck in micro blogging platform with Yahoo Meme.Yahoo launched this micro blogging platform in Spanish first and then Portuguese and now finally in English.This is mainly started as a competition for Twitter.
Yahoo Meme is similar to Twitter and Tumblr since you can search in others public profiles and you can post some others entry by clickcing the Repost button.I personally feel that Yahoo Meme lacks something special so that people stop using other services like Twitter and start to use Yahoo Meme.But Yahoo has high hopes on this new micro blogging platform YAHOO MEME