Baz Ratner / Reuters An Afghan policeman carries a poppy flower in the barrel of his gun, in the Maiwand district of Kandahar province, southern Afghanistan, on April 9, 2012.

Phil McCarten / Reuters There’s a new Golden Girl on the Twitter block, and it’s the beloved Betty White herself.

Who haven’t heard about Twitter? Well, perhaps if you’re not using the internet, you’re probably not aware that this social network existed or other related sites. Why don’t you surf the web now and see what Twitter can offer you. You need to sign up first before you can use the site to meet different [...]