QUESTION $253\mathrm{.}3$ points Which of the following is not a trend for the online recruitment services industry $1.$ Increased use of mobile platforms. $2.$ Increased use of resume building tools. $3.$ Increased use of filtering algorithms. $4.$ Increased use of social recruiting. $3\mathrm{.}33$ points QUESTION $26$ The online retail advantage of being able to react quickly to customer tastes and demand can result in the following challenge: $1.$ Inconvenience associated with the return of damaged or exchange goods. $2.$ Online marketing costs for search, e$-$mail, and displays. $3.$ Added complexity to product offerings and customer service O$4$ Greater customer information translating into price competition and lower profits $3\mathrm{.}33$ points QUESTION $27$