Saturday Mac riddles 373

Here are this weekend’s Mac riddles to entertain you through family time, shopping and recreation.

1: King Harald arrived in 2003 for wireless PAN.

2: Hex 189 never offered internally for 100 GB discs.

3: Colour of water east of Sydney came in August 1998, but never since.

To help you cross-check your solutions, or confuse you further, there’s a common factor between them.

I’ll post my solutions first thing on Monday morning.

Please don’t post your solutions as comments here: it spoils it for others.