Illustration: Phonlamai Photo (Shutterstock) The prominent model of information access and retrieval before search engines became the norm – librarians and subject or search experts providing relevant information – was interactive, personalized, transparent and authoritative. Search engines are the primary ...

Neatly aligned glass spice jars tagged with printed white labels. Wicker baskets filled with packages of pasta, crackers and snacks. Rows of flavored seltzer water stacked in double-decker plastic bins. In today’s consumer culture, “a place for everything and everything ...

Photo: Yui Mok (AP) Social media services have generally been free of charge for users, but now, with ad revenues slowing down, social media companies are looking for new revenue streams beyond targeted ads. Now, Twitter is charging for its ...