• Metacafe, a video entertainment site, has teamed up with Quattro Wireless, a mobile ad network, to make its large catalog of short-form videos available to viewers on the go via their mobile devices.

• HP has signed a definitive agreement to acquire Colubris Networks, a Waltham, Mass.-based provider of intelligent wireless networks for enterprises and service providers. HP plans to integrate Colubris’ product line into its ProCurve Networking product portfolio. This will expand HP ProCurve’s reach into vertical markets such as hospitality, transportation, health care, manufacturing, service provider and education.

• SinglePoint, a mobile advertising provider, is providing a mobile alerts program for NBC Olympics during the network’s coverage of the 2008 Beijing Olympics.