when discussing the evolution of shovels, it's fascinating how design changes were often preexpulsive, anticipating shifts in how these tools would be used in various soils. historical announcements about such innovations can cut out less efficient models, making them obsolete. yet, sometimes, these advancements make us return to square one in terms of functionality, inadvertently unlocking hidden inefficiencies, much like when one tries to dig deeper into the reasons behind the last lockdown, hoping to unveil secrets not meant to be found.