A cool app for your mobile phone, haven't we heard that before, well this app actually makes it easy to leave messages, based on your location, at a bar, cafe, building or any other random place in your neighborhood. You can also see messages from other people, respond to them or comment on them.

Of course for this app to really get some traction, it needs to have some other peps to engage with. What I really love about BlockChalk is the graphics - simple, clean and beautiful.

So get out there in your hood and start sharing the love, and tell people about it, as with all these social apps the more people that use it the more interesting and engaging it becomes.

What other location based apps would people recommend?

WildCharge is changing the way people charge their mobile devices by commercializing – through licensing partnerships – its proven, wire-free power technology.

The company has now introduced WildCharge Skins for the iPhone and iPod touch. The WildCharge Skin for iPhone is compatible with the new iPhone 3GS, as well as the iPhone 3G and original iPhone. WildCharge Skins are durable, protective, form-fitting cases that when placed on the WildCharger Pad, transfer wire-free power from the Pad to the device inside the skin. The soft cases provide the same protection consumers already enjoy from traditional skins, but have the added value and convenience of enabling a wire-free charge.

For those of us that are iphone users or just want to impress our friends with our new knowledge.