I’m not sure if this is a bellwether for what the forthcoming invasion of VoIP services will bring or not, but Engadget offers a take on the Skype-like services from AdCalls. The site warns that the sneakiness of AdCalls’ business model may just cost you. They’re not talking about cash, no, the price is “all your friends.” Or, at the very least those you call using the services. Engadget explains: AdCalls promises free long-distance calls from a PC while you watch ads scroll across the app’s interface. Too good to be true, you say. You’re damn right it is. Apparently by accepting AdCalls’ end-user agreement, you give them permission to compile every number you dial and sell them to advertisers.The rest of the story is here. Technology Industry