There once was a world where Elfin delivery folk were commissioned to take packets of information to cities far beyond their elfin kingdom.
The motto of the EPS (Elfin Postal Service) was, Neither lame servers, rogue viruses or faulty connections will stop us from our appointed deliveries.
Needless to say some Elves had attitudes that caused their deliveries to be received with something less than enthusiasm, but beyond the realm of the Elfin Folk deliveries are being made around the clock.
In a perfect fairy tale all deliveries would be anticipated and desired, but in real life, and in an allegorical sense, these deliveries are email marketing efforts and not all of them are desired although they might be anticipated.
If email marketing were a fairy tale then perhaps everyone would live happily ever after, but the truth is email marketing can be tedious and may result in hostile reactions from recipients.
Just like the fictitious elves delivering their packets under the cover of night, online businesses work to provide what they feel is important information at any time of the day or night.
Because online users are barraged with spam...