Saturday Mac riddles 364

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

1: Border lake brings an end to Integrated Electronics.

2: What can’t change its spots ended the power of aim.

3: What brought HFS+ proved the last for the Galvins’ radios.

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.