The bottom line: Netflix subscribers will now pay more and get less than what they already had before.
Netflix has apparently enforced a rule prohibiting a subscriber from watching more than one stream at a time. This means that if Mom and Dad want to watch a movie, then the kids in the other room have to turn off Phineas and Ferb. Just last week Netflix enforced new pricing on its service, forcing customers to pay extra for physical DVDs (from $9.99 to $15.98/mo. for the Unlimited Streaming + 1 DVD out at-a-time plan). Additional streams can be purchased for $7.99/mo. per stream. To top it off, Netflix and Starz failed to reach a licensing agreement recently, which will reduce the selection of titles in its already scant Watch Instantly library.
Update (9/7/11): According to Engadget, this is an "error" that Netflix is working to fix.