Networking
We help to solve your Wi-Fi woes and connection conundrums
by PHIL THOMPSON
Networking quick-fire questions
Why does AirDrop need both Wi-Fi and Bluetooth?
> Originally AirDrop was Wi-Fi only, and Mojave still supports that old system. From OS X 10.10, for compatibility with iOS devices, AirDrop has required Bluetooth LE as well even though it’s now mostly irrelevant, and all the work is done over the Wi-Fi connection.
How to see where a shortened link takes me?
> If this is a one-off, there are many websites which offer to do this, but normally set a tracking cookie in the process. Best now, as it doesn’t trigger cookies or tracking at all, is Link Unshortener from the App Store, which shows all the redirects and can trim URL queries from the link too.
Accounting for iCloud space
Q According to my iCloud account, I have 127GB of documents, but I can only identify a few files. How can I account for all that missing space?