On this day that the London Olympics begin, here are five of the most interesting and important announcements and posts of the week:
1.A� Facebook Revenue Growth Skids, Shares Plunge — Reuters reports on the news of Facebook’s stock plunge following their announcement of declining revenues and no outlook being offered for the current period.
2. Facebook Launches New & Improved Recommendations Plugin for Websites — Pamela Vaughn at HubSpot has a great explanation of how the newly announced recommendations plugin’s bar differs from the previous recommendation box and why you may want to look into it further.
3.A� 10 Common Mistakes in B2B Paid Search — David Rodnitzky blogs at Search Engine Land with a nice discussion on mistakes commonly made when doing paid search for B2B.
4.A� Smarter Internal Linking – Whiteboard Friday — SEOmoz has an excellent whiteboard this week on internal linking that is chockful of goodness. There is a transcription if you’d rather read than watch!
5.A� 15 Helpful Link Building Tools — Garrett French details 15 good tools (paid and free) to help with link building over at Search Engine Watch.