Building backlinks: variety or related?

[mike40]

When getting links, make sure you mix and match the anchor text with the contents and theme of your web site. Backlink profile usually refers to a broad mixture of different types of links combined with different anchor texts. Different types of links could include links from directories, social network sites, blogs, articles, regular websites, forum posts etc. Some experts also think it should include a mixture of both dofollow and nofollow links.

What do you think on this ?