For Twitter the type of interaction was text based with some visuals, two way communication. It has a high level of interactivity. There can be feedback as well.
For Prezi the type of interaction was text based with some pictures and there are some videos. It is one way communication. There is a high level of interactivity when you are able to edit the Prezi.
For Blogger the type of interaction was text based. There is one way communication with feedback that is allowed. There is a medium level of interaction.
For C4LPT the type of interaction was text based. There is one way communication. There is a low level of interaction as well.
