The type of "Developers" they're trying to reach is NOT people who want to build Twitter apps. That era is over and it ain't coming back. Rather, they're trying to reach the people who make mobile apps who need good analytics tools, crash reporting tools, etc. It's not even related to Twitter.<p>Which is exactly why I am cautious about this. When Google gives away Google analytics for free, we trust that Google will rarely come after our small startup since they already have a very lucrative business model. We know that Google knows the risk of betraying their users is not worth the trouble (unless the opportunity is huge enough that they would actually want to take the risk, in which case it wouldn't matter anyway).<p>In case of Twitter we don't have that trust. Even looking at Fabric, I really think--as of today--it's really THE best analytics/crash report tool out there for app developers, but I also tend to think it's a trojan horse. It's obvious they are trying to penetrate developer mindshare AND their apps through Fabric. When you use Digits, you're basically outsourcing your user database to Twitter. When you use crashlytics for your social app, you're giving away all your user behavior to Twitter. I just hope Fabric came from Google instead of Twitter, for the same reason I don't use Parse from Facebook.