Amazon.com Inc.

Salesforce.com Inc.’s annual Dreamforce customer conference, set to blanket downtown San Francisco next week, will be a blend of business, technology, entertainment, philanthropy and personal empowerment.

Hackers used an army of hijacked security cameras and video recorders to launch several massive internet attacks last week, prompting fresh concern about the vulnerability of millions of “smart” devices in homes and businesses connected to the internet.

Amazon.com and others have been touting plans to use drones to deliver packages to consumers, but safety experts and federal documents indicate widespread flights aren’t likely before the next decade.

Microsoft is concentrating its artificial-intelligence efforts under one roof as veteran executive Qi Lu stepped down to focus on recovering from a bicycle accident.

The three year effort to integrate the IT systems of American Airlines and the former US Airways reaches another milestone this weekend as American shifts the planes and pilots to a single operating system. They will use American's massive flight operating system, which runs 500 applications.

A deal would give the startup a powerful partner in its battle against Amazon to become the dominant online retailer in India.

Costco shares should continue to suffer under the weight of competition from Amazon.com and others.

Deutsche Post agreed to acquire UK Mail Group for $315.5 million, bolstering its presence in one of Europe’s biggest e-commerce markets.

Cloud computing has thrown computer makers into a forbidding landscape where prospective customers have incentives to rely on external service providers rather than buying hardware. But some have found a key ally in one of the biggest cloud providers, Microsoft.

To constrain rising shipping costs, the online retailer is building its own delivery operation, showing the extent of its ambition and also setting up a clash with its shipping partners.