Since we haven’t actually gotten around to an in-depth review of the newer HD Slingboxes or covered the current state of Sling’s webplayer (that has essentially replaced Mac and PC desktop software), we figured we should at least touch on this little nugget that Engadget turned up. In years and devices past, sharing one’s Slingbox meant sharing a password. But Sling has never shied away controversy, despite network and studio protest, and has revised sharing capabilities with individual, revocable tokens. The Slingbox viewing experience remains one-to-one and invites have been distributed by email address via the Sling.com portal. What’s new this week for Slingbox 350 and 500 owners is Facebook sharing which potentially reduces friction and provides Sling an opportunity to advertise post to your wall (with your permission). Accepting an invite sends guests directly to Sling’s portal, and this isn’t related the possibly discontinued Facebook SlingPlayer introduced in 2011.