clarajames

I think you have t pick such topic which you knows better and you are confident enough that you will write some useful information about specific topic.

Google + has already replaces facebook and very large number of people joining Google +.

Google Panda is Google algorithm which update regularly to stop spamming websites.

If you want to check your backlinks then backlinwatch.com is best tool but if you want to build backlinks then there are so many software that will help you like link samurai is good for this purpose.

Yes it will help you to get better ranking as Google prefer those sites which have XML sitemap.

Visit any page in facebook and you wil see an option to create a page click it and then make your own page according to your need i.e. community page, local business or product page whatever you need.

I think Facebook is excellent way to advertise and I am seeing many companies are advertising on Facebook.

I am not sure as I never heard this term before but I am feeling that it is like a Link exchange where reciprocal links are given.

Social bookmarking is good when you are getting good traffic from such sites like digg and stumbleupon.

Mobile marketing is a great way to communicate with your clients and it will help to give positive feed back.

Dofollow links a re really handy in increasing your PR and ranking in search engine as well.

Propeller is gone, it was a good site but it is no more. I prefer stumbleupon, digg, reddit, diigo, delicious and many more.