Using technological tools in a classroom environment

Since we had to read several articles on culture and the use of online tools in the language classroom, I came to the conclusion that I would definitively use a blog in my class. I think it is a good way for students to be up-to-date. Furthermore, I would be able to answer the students' questions from home. However, I do not think I would do a tandem-learning project because I realized how complicated it is even if it could be very interesting. Often, students have problem to get in touch with their partners which decrease their level of motivation...