The major current revenue source for social commerce vendors is advertising

Brad's homeowners insurance excludes losses if there is a "material increase in hazard." After buying the policy, Brad started to make fireworks in the basement. A spark from a wood stove ignited some gunpowder, and the home burned to the ground. Which legal characteristic of insurance contracts may prevent Brad from collecting under his policy?

(a) conditional contracts (b) personal contracts (c) contracts of adhesion (d) aleatory contracts

The early file processing systems were very difficult to maintain because of ________

A) complicated tables and fields with no metadata B) data dependency between the programs and files C) frequent software upgrades D) lack of database administrators and IT personnel