README.md in device_input-0.2.1.1 vs README.md in device_input-0.3.0.2

@@ -64,19 +64,19 @@
 $ gem install device_input # sudo as necessary
 ```
 
 Or, if using [Bundler](http://bundler.io/), add to your `Gemfile`:
 ```ruby
-gem 'device_input', '~> 0.1'
+gem 'device_input', '~> 0.3'
 ```
 
 # Usage
 
 ## Executable
 
 ```shell
-$ sudo devsniff /dev/input/event0
+$ evdump /dev/input/event0 # sudo as necessary
 ```
 
 When the `f` key is pressed:
 ```
 EV_MSC:ScanCode:33
@@ -94,11 +94,11 @@
 EV_SYN:SYN_REPORT:0
 ```
 
 How about pretty mode?
 ```shell
-$ sudo devsniff /dev/input/event0 pretty
+$ sudo cat /dev/input/event0 | evdump --print pretty
 
 # f
 
 2017-01-24 05:29:43.923 Misc:ScanCode:33
 2017-01-24 05:29:43.923 Key:F:1
@@ -108,11 +108,11 @@
 2017-01-24 05:29:44.012 Sync:Report:0
 ```
 
 We can pull off the labels and go raw:
 ```shell
-$ sudo devsniff /dev/input/event0 raw
+$ sudo cat /dev/input/event0 | evdump --print raw
 
 # f
 
 4:4:33
 1:33:1
@@ -122,11 +122,11 @@
 0:0:0
 ```
 
 Fulfill your hacker-matrix fantasies:
 ```shell
-$ sudo devsniff /dev/input/event0 hex
+$ sudo cat /dev/input/event0 | evdump --print hex
 
 # f
 
 00000000588757bd 00000000000046ca 0004 0004 00000021
 00000000588757bd 00000000000046ca 0001 0021 00000001
@@ -139,14 +139,16 @@
 ## Library
 
 ```ruby
 require 'device_input'
 
-# this loops forever and blocks waiting for input
-DeviceInput.read_from('/dev/input/event0') do |event|
-  puts event
-  # break if event.time > start + 30
+File.open('/dev/input/event0', 'r') do |dev|
+  # this loops forever and blocks waiting for input
+  DeviceInput.read_loop(dev) do |event|
+    puts event
+    # break if event.time > start + 30
+  end
 end
 ```
 
 An event has:
 
@@ -155,15 +157,15 @@
 * `#type`: String label, possibly `UNK-X` where X is the integer from `#data`
 * `#code`: String label, possibly `UNK-X-Y` where X and Y are from `#data`
 * `#value`: Fixnum (signed) from `#data`
 
 You will probably want to write your own read loop for your own project.
-[`DeviceInput.read_from`](lib/device_input.rb#L100) is very simple and can
+[`DeviceInput.read_loop`](lib/device_input.rb#L102) is very simple and can
 easily be rewritten outside of this project's namespace and adapted for your
 needs.
 
-# Research
+# Background
 
 ## Kernel docs
 
 * https://www.kernel.org/doc/Documentation/input/input.txt
 * https://www.kernel.org/doc/Documentation/input/event-codes.txt
@@ -204,10 +206,10 @@
 
 What's a [`__kernel_time_t`](https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/include/uapi/asm-generic/posix_types.h#n88)?
 ```
 typedef long            __kernel_long_t;
 # ...
-typedef __kernel_long_t         __kernel_suseconds_t;
+typedef __kernel_long_t __kernel_suseconds_t;
 # ...
 typedef __kernel_long_t __kernel_time_t;
 ```
 
 What's a [`__u16`](https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/include/uapi/asm-generic/int-l64.h#n23)?