Oh. Really. “Tablets.” Wonder who sells these so-called “tablets”? Probably lots of companies in equal proportions.

You have to feel a little sorry for Microsoft. They’ve tried several times in the last 10 years to score a basket with different tablet strategies. Then Apple walks in a sinks a behind-the-back shot from down court. That’s gotta hurt.

InfoWorld’s Galen Gruman reports that Microsoft isn’t the only one seemingly .

Where the PlayBook differs from every other tablet, real or announced, is that it must be tethered to a BlackBerry (via Bluetooth) to access secured services such as email and VPN access that a business would make available via BlackBerry Enterprise Server (BES).