Selected answers from the Dumb SEO Questions Facebook & G+ community.
Madala Akhilesh: What is the purpose of '#' tags ?is there any benefits to us now and future?
Edwin Jonk: For Google it can used for long content. Namely Google can at a "Jump to" snippet. These snippets are frequently served for wikipedia pages. For example try this ;https://www.google.com/?q=republic+of+mauritius
For me the first result has a snippet: Jump to Republic (Since 1992)
Edwin Jonk: It is organic search. You can find the announcement at ;http://googleblog.blogspot.nl/2009/09/jump-to-information-you-want-right-from.html
Edwin Jonk: and http://googlewebmastercentral.blogspot.nl/2009/09/using-named-anchors-to-identify.html