ZTE's Trusted Delivery Model provides for a thorough end-to-end security evaluation of ZTE's software, firmware and hardware throughout the equipment life cycle.

ENGADGET: Huawei and ZTE cry foul at US Congress' accusations, say the report was rigged

Analysts at Goldman Sachs suspect that many refiners used their spring maintenance cycle to upgrade their equipment in order to handle heavier, dirtier crudes.

ECONOMIST: Can anything cool the oil market?

In a company-funded study published last year in the Journal of Sleep Research, the Zeo predicted the same sleep cycle as professional sleep equipment in a lab about 75% of the time, compared with 86% agreement for two independent professional lab measures with each other.

WSJ: Smart Alarms Decide When You Should Really Wake Up

Indeed, that businesses are buying back shares, rather than investing in new plant and equipment, may help sustain the cycle for a bit longer.

ECONOMIST: Buttonwood: Sale of the century | The

When we come out of that cycle, we may see an impact on electronic equipment from the resulting electromagnetic energy associated with solar storms.

FORBES: 'Revolution' Depicts America After an EMP Blast: But Is It Plausible?

The gaming industry tends to upgrade equipment in seven year cycles. 2001 was the last full upgrade cycle.

FORBES: Lawsuit Victories Against Apple And Google Fuel Investor Interest In MGT

They don't normally involve mountains or climbing equipment, but an appearance at a store, a hotel and an airport, with the cycle repeated the next day.

WSJ: Tom Rob Smith Climbs Mount Fuji | Traveler's Tale

The court heard how he had entered the machine to remove a piece of equipment but, simultaneously, a colleague at the other end of the press started a full test cycle.

BBC: Brough factory death: BAE fined ?350k

If companies have large piles of cash, they can pay their workers more, invest in capital equipment and expansion, or at the very least weather any more ups and downs in the business cycle.

FORBES: For Companies, Rising Cash - And Rising Debt, Too