Finding apps can be tough, especially when your Store or Marketplace is overwhelmed with a daily flood of debutantes. That's not exactly a problem for HP, whose App Catalog for the webOS 3.0 TouchPad officially launches on July 1st and will be, the company admits, a little spartan at first. But HP has a plan for a future flood of apps: Pivot. It's basically a curated digital magazine that will present a selection of apps someone at HP found interesting for w