Saturday Mac riddles 149

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

1: A rumble to secure the fastest port.

2: Blaze on the line was first for cameras.

3: Sounds seedy, sounds speedy, but gone before the millennium.

To help you cross-check your solutions, 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.