Saturday Mac riddles 275

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

1: Traced in epidemics and in emergencies, it replaced 2.

2: Formal speech and memory location publication until superseded by 1.

3. Packed lunch came in 2008 to integrate 2 with a table of dates.

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.