O is for OBSOLETE

"Compassion has become an  obsolete madness in the modern world."  - DayStar
Has This Become A Culture of Obsolescence? 
I am ancient enough to remember being taught how to use the slide rule in grade school.
I kept my old school one on my writing desk until my home burned down to remind me how quickly life changes.
Can you recall the Palm Pilot?
Dial-Up Internet?
Getting Film Developed?
Movie Rental Stores?
Road Maps?
The Land Line?
Public Pay Phones?
VCR's?
Dictionaries, Encyclopedias, Phone Books?
CD's?
Record Stores?
Mailed Letters?
All of the above have become obsolete in the past decade.
What Do You Think Will Become Obsolete in the Next Decade?