Twitter’s strengths as a messaging service come from the fact that the messages are short, and the service is easy to use. If someone can type within the character limit and handle a few basic concepts, Twitter is actually easier to use than many instant-messaging clients, and doesn’t even require an install on a computer. [...]

A new microblogging website, Yahoo Meme, similar in style and functionality to Twitter, was soft-launched in Portuguese in May. They have now launched a Spanish version. But what is unusual is that the word "meme" was first introduced by controversial British ethologist and evolutionary biologist Richard Dawkins in his book The Selfish Gene to discuss [...]