SEO | Selection of Domain Names
Even when choosing a domain name you should have to care about the search engine optimization. This does not apply for valuable and big names (brands) which are already in Google's index.
For example, a shop which is selling chicken and eggs in local market should choose the domain name which tell the users what it sells and in which area.
It has been proven to be useful to registers two domains, An SEO friendly domain with 1,2 keywords and another a simple one for emails.
For Example: chicken-eggs-frankfurt.de and another egg-frankfurt.de and redirecting this domain to other domain which is SEO optimized.