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31 changes: 20 additions & 11 deletions README.md
Original file line number Diff line number Diff line change
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##IMPORTANT NOTE
## IMPORTANT NOTE

Please read this blog post before considering using OpenUDID:

http://blog.appsfire.com/udid-is-dead-openudid-is-deprecated-long-live-advertisingidentifier/

####OpenUDID project notes
#### OpenUDID project notes

IMPORTANT: IF YOU ARE GOING TO INTEGRATE OpenUDID INSIDE A (STATIC) LIBRARY,
PLEASE MAKE SURE YOU REFACTOR THE OpenUDID CLASS WITH A PREFIX OF YOUR OWN,
Expand All @@ -13,10 +13,12 @@ Please read this blog post before considering using OpenUDID:

![image](http://appsfire.com/images/misc/OpenUDID_Industry_supporters_2.png)

####Follow OpenUDID on Twitter
#### Follow OpenUDID on Twitter

http://twitter.com/OpenUDID

####Who is behind OpenUDID
#### Who is behind OpenUDID

The project was initiated by Yann Lechelle (co-founder Appsfire) on 8/28/11

- https://github.com/ylechelle
Expand All @@ -27,17 +29,19 @@ Many have joined the effort since. Please browse this github projects to discove
- https://github.com/ylechelle/OpenUDID/contributors
- https://github.com/ylechelle/OpenUDID/issues

####Master Branches & ports to other OSes
#### Master Branches & ports to other OSes

- iOS / MacOS code: https://github.com/ylechelle/OpenUDID
- Android code: https://github.com/vieux/OpenUDID
- CSharp.Net & SilverLight: https://github.com/jasonlamkk/OpenUDID.Net

####Usage
#### Usage

#include "OpenUDID.h"
NSString* openUDID = [OpenUDID value];

####Synopsis
#### Synopsis

OpenUDID is a drop-in replacement for the deprecated uniqueIdentifier property of the UIDevice class on iOS (a.k.a. UDID) and otherwise is an industry-friendly equivalent for iOS and Android, **and most recently Windows C# and Silverlight (see links above)**.

The agenda for this community driven project is to:
Expand All @@ -47,22 +51,27 @@ The agenda for this community driven project is to:
- Supply open-source code to generate and access the OpenUDID, for iOS and Android
- Incorporate, from the beginning, a system that will enable user opt-out to match Apple’s initial intent

####Context
#### Context

If you’re not already familiar with UDID’s, it’s a critical piece of information used for analytics or CRM purposes. A developer could use a UDID as a means to track how much time a user spent in his free app before upgrading to the paid version. UDIDs are also helpful for tracking the source of a download when advertising on an ad network. This is a fairly universal need in a thriving ecosystem: developers need the traceability from clicks to downloads to ensure that they pay the right price for their promotion. Proper tracking and funnel conversion is what has made the web a better place, with healthy competition and quantifiable metrics.

In the wake of Apple’s decision to deprecate UDID, some ad networks have already introduced their own proprietary solutions or worse adopted a low hanging fruit like the MAC address. The main motivation here was to find a UDID replacement not owned by any single provider, not bound to the device in the hardware sense. This open source initiative is to enable a better solution for thousands of other mobile app developers.

#####Version History
##### Version History

- August 2011: launch of the initiative
- Sept. 9 2011: v1.0 of the code meeting all requirements
- March 25 2012: removing all traces of the offending call on iOS
- June 7 2013: call for deprecation announced here:

http://blog.appsfire.com/udid-is-dead-openudid-is-deprecated-long-live-advertisingidentifier/

####Contributions needed
#### Contributions needed

Equivalent OpenUDID systems on Blackberry, other platforms, etc...

####Seals to add on your sites if you use OpenUDID
#### Seals to add on your sites if you use OpenUDID

![image](http://appsfire.com/images/misc/openudid_seal_large.png)
![image](http://appsfire.com/images/misc/openudid_seal_medium.png)
![image](http://appsfire.com/images/misc/openudid_seal_small.png)