Forums: Networking sites where people can express their opinion about something determinate.
Social Networking Sites: spaces in the web where you can chat with your friends and contact with everyone. You can see pictures, videos, links about them, comment it and like it or not.
Facebook: it’s a free social networking site, probably the most used by the people. Mark Zuckenberg was the inventor of Facebook. People post photos, comments, videos and links in it, and the contacts (or friends) can say whether they like what is posted or not and they can also leave a comment.
Twitter: it’s a social networking site used to comment photos and what people say. The logo is a blue bird, because the sound of a bird is a “twit”, like the comments in this networking site.
Whatsapp: it’s an app for mobile phones which you can use to contact with your friends, relatives and people you know. With it, you can speak with them and share photos, videos and stuff. You can also create groups in which you can socialize with a lot of people the same time as if all of you were in the same room. It was bought by Facebook, and know it cost 0,89 Euros more or less a year.
Slideshare: it’s a space in Internet where you can share presentations with your contacts. You can upload your power point presentations so that other people can see what you’ve done.
Pinterest: it’s a space in internet were you can stick photos of whatever you like in different “tables”. Their friends can comment the “tables” and say if they like it or not.
Wikispace: it’s a networking site where you can find information of all you want. People write what they know about some issue.
AppInventor: it’s a site where you can create your own apps. It has a lot of tutorials about how does it works and it helps you to design an app.