[kunalsh]

which is best ppc,seo,smo and sme ?
tell me friends

[Alexa]

The best is no spam.

[MSL]

No spam + no spammers.

[superpower]

All are good, It depends on your requirement because all are the part of digital marketing.

[SEO]

In this case... the best was the ban.

[brucekenway]

SEO may be the best in long-term project

[MSL]

 Yes, but only the good/right SEO, not the spam-SEO, not the black hat SEO and so on.
 Sometimes even the good/right SEO isn't so useful, because anytime the SEs may make a big algorithm change (or changes) and then all (or almost all, or many of) your SEO efforts are in vain.

[jackluter]

The above mention technique all comes under digital marketing based on your business proposal you can select one from the above and promote the website in the search results.

[johnniewalk]

For my business seo is suitable and it is the best one for me.

[andreasara]

It's depends on your budget and business if your not thinking about money then choose PPC If you don't have sufficient amount then choose SEO. All are good to improve your website visibility in Search engines.

[MSL]

 Yes, the budget is something very, very important!