May Yahoo Buzz, Delicious, and MyBlogLog rest in peace. You likely won’t be missed, but your collective unrealized potentials will go down in Internet history as examples of how to take greatness and run it into the grave. A leaked screenshot of an all-hands meeting for the Yahoo product team has prompted (confirmed) speculations that many of Yahoo’s products are either being merged or discontinued altogether. This came after a round of layoffs yesterday. Why did these services have to die? In many cases, they were promising from their inception or when they were purchased by Yahoo, and yet here…