the conference for 
Geoffrey Goetz
Geoffrey Goetz is currently the Director of Marketing at dBase, founding member of ggeoffre LLC, and published author for GigaOm's TheAppleBlog. Geoffrey’s online articles on Apple related products and technology have been picked up in syndication by popular sites including USA Today, Money, Fortune, Forbes and The New Your Times. Geoffrey is also a published book author ("Mastering JBuilder") and veteran international speaker on a variety of topics ranging from Win32, to Java, to Mobile. He has been on the development scene in central Ohio since graduating from Ohio State in 1992. Geoffrey has been a speaker on mobile development at CodeMash, CocoConf, MobileX and the local CIDUG meetings. You may also recall several presentations that Geoffrey has delivered Borland Developers Conference as well as locally at COJUG as far back as the late 90's. Geoffrey’s involvement on the mobile scene started with J2ME (as featured in the January 2000 issue of JDJ) and includes such ubiquitous platforms as Java Ring/Smart Card (when such things existed). Geoffrey has also recently been involved in cross platform and native development on both the iOS and Android platforms for various Fortune 100 and 1000 companies.
CocoaConf Columbus 2012 Presentations:
Keeping Track of Moving Things: MapKit and CoreLocation in Depth
Adding a Map to an App and recording a User’s location as they use the App has become a common must have feature in may of todays popular applications. This presentation will go over the APIs for accomplishing such tasks including map annotations, dragging and dropping custom pins as well as delve into some of the finer aspects of the required location based calculations one needs to consider to find the center of the map or the distance between two points. Additionally the presentation will go over techniques to update a MapView with a moving object as well as positioning the image for the object properly along its heading. This will be a straight forward hands on development presentation with plenty of code examples.
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