Men­tion pub­lic rela­tions or mar­ket­ing to most peo­ple and you’ll be greet­ed with rolled eyes and accu­sa­tions of spin and untruths, how­ev­er Inter­net mar­ket­ing guru Rohit Bargha­va has posi­tioned him­self as the man to cut through the spin and give us ‘Likeo­nom­ics’ instead.