Mosio is similar to Chacha in that you can call in a question and real people search for the answer and provide you a text message back with an answer. In fact you get not one answer but four answers. Standard text messaging rates apply. You too can be part of the Qniverse by being a QnAgent.
Here is a site that does just one thing, check the spelling of your text online. This could be a useful tool for students when they are working on blogs or wikis.