Using their cellphones, consumers can track their visits and purchases and earn rewards.

The Dawning Nebulae computer has achieved a sustained speed of 1.27 petaflops — the equivalent of one thousand trillion mathematical operations a second.

Lawyers say that a growing number of businesses are suing individuals for posting critical comments online.

Access was restored but a Pakistani court still ordered the government to block content blasphemous to Islam.

Slow Gmail, Elon Musk’s troubles and Microsoft’s woes were on the reading list for a holiday weekend.