Photo: Speaking up at GlobalComm

Mike Lazaridis, president and co-CEO of BlackBerry maker Research In Motion, told attendees at the GlobalComm trade show in Chicago that wireless carriers need to be careful about rolling out unlimited wireless data usage plans. He said it's important that handset makers and carriers develop efficient technology so network capacity isn't drained. He also stressed the importance of pricing capacity-hungry data services appropriately.

Photo by Marguerite Reardon/CNET News.com