peHUB Second Opinion 7.9

Dropbox aims to become a full-blown development platform.

Yelp enters the world of on-demand delivery.

The demographics behind Kroger’s $2.5 billion bid for Harris Teeter.

Now infamous Princeton mom Susan Patton has landed a book deal.

More and more startups send customers boxed goodies each month. Is the model sustainable?

Blackberry is open to any options, says its CEO.

A label for activist investors that no longer fits.

How toys point toward the future of cars.

32 tricks you can do with Wolfram Alpha,  “the most useful site in the history of the Internet.”

Ohio kidnapping victims Amanda Berry, Gina DeJesus, and Michelle Knight say “thank you” in a YouTube video released last night.

Photo: A Blackberry smartphone is displayed in this August 12, 2010 illustrative photo taken in Hong Kong. Credit: Reuters/Bobby Yip