The evolution of heavy metal. The genre of heavy metal that is the most popular for that given time period.
Heavy metal started with bands like Black Sabbath, Led Zeppelin, ETC. Then metalution occorred to make a more glam period with bands like Motley Crue, and Whitesnake, that went through another metalution making bands like Metallica and Pantera popular. (it keeps going on)
In the case of the metalink the invoicee's address is not a blockchain wallet but a universal resource locator (URL).
The invoicee can turn an invoice to credit by dispensing it to a third party. However the third party is not required to return the credit to the invoicee. The invoicee can also pay the invoice with a metalink.
Utility beer is the beer you keep around for the day-to-day moments when beer is a necessity to assist in pedestrian activities (golf, plumbing, yardwork, babysitting, staff meetings, Zoom calls). For the beer snob it is the beer you save for neighbors when they drop in at 3 p.m. on a Tuesday. It is differentiated from the actual high-end beer you save for special events, holidays, and special tastings.
Person 1: Dave, did you bring along those hazy craft IPA's so we could drink while cleaning Lyle's pool?
Person 2: Nope. I just have a bunch of utility beer that Steve dumped on me. Good enough for this. It is only 10:30 a.m.