ADHOC,”the Advanced Developers Hands On Conference,” which was formerly known as MacHack, will be held July 21-24, in Dearborn, Michigan. Among the topics likely to be covered are Cocoa, Quartz, Carbon, PHP, Perl, Tcl, Apache, zeroconf, Rendezvous, smart phones, new languages, multiple platform environments and more. ADHOC speakers are needed; if you’re interested, or for more details on the event itself, go to the conference Web site.