This type of software testing is very informal and unstructured and can be performed by any stakeholder with no reference to any test case or test design documents. The person performing Ad-hoc testing has a good understanding of the domain and workflows of the application to try to find defects and break the software.
Wolfram Alpha is a computational search engine (sometimes referred to as an answer engine). The interface looks similar to that of a regular search engine but queries typed into the search box result answers to specific questions rather than listings of websites that may be relevant to the query.
AlphaSights is a premier knowledge broker, connecting clients with experts in very specific fields. AlphaSights' services allow clients to access industry specialists who can provide the very best information they needâ to run the very best businesses.