Web 2.0 for website.

Link building is one of the oldest SEO tactics around and is all to do with the concept of building backlinks to a website. Web 2.0 help in link building on sites with high domain authority, which means you’ll get backlinks from authority websites like Pintrest, Twitter or Facebook, etc. When a site has high authority backlinks, it will only serve to boost it up the rankings.

be empathetic, think user-benefit vs. company-benefit

web 2.0 is helpful if we make links on good domain authority sites. We can make web 2.0 links with our company name with proper content. It will increase domain authority of your website.