Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
ahoyhere
on Aug 25, 2012
|
parent
|
context
|
favorite
| on:
Apple Wins Patent Ruling As Jury Finds Samsung Inf...
If it's obvious, why didn't it exist on any of the touchscreen products which went before the iPhone?
pjscott
on Aug 25, 2012
|
next
[–]
How many of those touchscreens could detect multiple touches at once? That's a prerequisite for doing pinch-to-zoom with a capacitive touchscreen.
mibbitier
on Aug 26, 2012
|
prev
[–]
It likely existed on the first light-pen devices from the 80s. Apple just happened to popularize it.
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search:
