Ajax (shorthand for asynchronous JavaScript and XML) is a group of interrelated web development techniques used on the client-side to create interactive web applications. ...
I think Blogger doesn't suit at all for business.
Lack of SEO, lake of professionalism.
Wordpress is munch better, good for SSEO, you have your own content, you have the power to do anything you want with it, add plugins, add professionnal design.