CRM

Customer relationship management (CRM) can be used to "identify, retain and please the right kind of customer and to foster their repeat usage."  CRM synchronize sales, marketing, customer service and technical support.  Here are some of the popular CRM softwares

Sales force: 

Salesforce.com is the market leader among cloud-based CRM providers. They serve a wide range of industries and business sizes. Because the system is Web-based, users can access this powerful solution anywhere with Internet access.

SAP:

With SAP, company can gain unprecedented customer insight with Big Data analytics – and leverage the insights to drive seamless customer engagements across all channels, including social media and mobile. Run marketing with speed and agility; react quickly to convert on opportunities.

Infusion Soft:

Built for small- and medium-sized sales and marketing teams, Infusionsoft offers tools for managing customer relationships from contact to conversion. They serve users in a variety of industries from health care to hospitality.

Content Marketing and SEO

For companies, Internet marketing is becoming more important these years.  Because Internet marketing can reach all customers they want to target, overcome the geographic limits.  Plus, as online shopping becomes more convenient, customers prefer to shop online.  So it's necessary to apply Search Engine Optimization (SE0) to improve and promotion the website.

Content marketing can be the biggest trend in these years.  Content marketing, is a method of promote website to acquire more potential customers.  According to the report from Content Marketing Institute, the top 7 B2B content marketing strategies are: social media, articles on a business's website, eNewsletter, blogs, case study, videos and articles on other websites.

By sharing the links or contents of the website, companies can build reputation and customer awareness, and attract more potential customers to visit their website.  Social media websites like FB, Twitter, LinkedIn, Instagram, Pinterest, and Groupon allow companies produce engaging contents in various ways.  

Resouces:

the top 7 online marketing trends

2013 b2b content marketing research