You've got a wireless broadband connection. You want to be generous and leave it open for other people to use. But a friend says that other users might slow your connection or hack your system. You might get into even worse trouble if they use it to send spam, or download child pornography. What do you do?
Is not protecting your Wi-Fi against your ISP's terms and conditions? Do you know?
If it's not an unlimited connection, you could be charged extra for bandwidth. Does that change your view?
The floor is open. A selection of your comments will be published in the next issue of the Technology section.