People can share, view and edit the same information (Google Drive).

Also we can make videos and receive opinions (YouTube).

Signals are transmited by:

-Cables (wired communication).

-Waves (wireless communication).

-Sender: Element that initiates the communication and sends the information.

-Channel: Physical medium that the information travels along.

-Receiber: Element that receives the information.

Measured in bits per second(bps).

Wi-Fi routers receive the signal from the telephone company.

Direct visual link between receiver and sender.

5G, sucessor of 4G, offers faster speeds and quicker response times.

You are protected by laws:

-The Data Proyection Act

-The Information Society Services Act

Think twice about what you are doind in the Internet, about what you search or what you post.

Avoid being trolls, people who hide behind their unknown identity to provoke.

Netiquette is a set of rules thet we should follow to behave correctly online.

We must be careful with what we post online, but also with what we searche, what we click and what we download.

-Investigate the source.

-Find who the author is.

-Obtain information from many different sources.

-Contrast information from different websites.

When you use social media, you acept to waive some of your contacts by the privacity policy and terms of use that you accept, so you should read them.

Rules to create a strong password:

-It must be at least 8 characters long.

-It must have upper an lower case letters, including numbers or special characters.

-It must be memorable.

-You must use different passwords for different services.

More security ways:

-Biometrics: Biological measurementes as an identification.

-Two-factor authentication system: Second password

To keep yourself safe, you should:

-Access secure websites with a certificate.

-Keep your software up to date.

-Avoid open networks or not carry out certain processes through them

Example: Microsoft Office.

Example: Adobe Flash Player.

Example: LibreOffice.