Mobile phones. 

Inappropriate content and contacts 

Revealing too much personal information 

Cyberbullying 

 

PCs.

Health and safety: you might not get good health and safety as they say they do.

Scams: you could be talking to someone who does not work with them.

Not good service: they might not give you the service you asked for

Laptops.

Spams

Difficult to repair or update/modify

Mp3 players/Mp4 players.

A legal downloads

Low audio quality to reduce the file size

Viruses could be easily downloaded

Games consoles and handheld devices.

Could get hacked

Negative people online annoying you

People doing a legal things online

They are expensive

Radio.

A legal broadcasts

Analogue signal is sometimes weak in some areas

Tablets.

Very expensive

Easily broken

Do not connect to the internet very well