Shel Isreal, co-author of Naked Conversations (a highly acclaimed book on the blogosphere) has some advice for McDonald’s and their fledgling blog.  These in particular are important to note:

2. Talk about a typical day in the life of a franchise owner, who gets up at some ungodly hour and goes to bed late [...]

FYI, if you or your company is well-known enough to merit a wiki entry, you’d be wise to remember that your edits are public knowledge, traceable by your IP address.
The staff of U.S. Rep Marty Meehan wiped out references to his broken term-limits pledge as well as information about his huge campaign war chest in [...]

While the topic seems a little boring to someone like me, I suppose the intended audience might be excited to learn that Microsoft is podcasting on IT.
From Chris Pirillo:
Yeah, look at the title for this page: Download details: Podcasts: How Microsoft IT Implements Encryption Using SQL Server 2005. Not exactly a subject that would [...]

Look at this chart on Pontiac. It’s a graph from hitwise on the search term Pontaic’s use over the last month.
The corresponding surge in traffic is due to their brave advertising campaign:
The blogosphere has been abuzz this past week about Pontiac’s new TV spot that features a Google screen capture with "Pontiac" [...]